Finding the Fourth Proportional to 42,692,630,942.85, 64,046,146,037.88 and 14,355,826,439.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,692,630,942.85 : 64,046,146,037.88 = 14,355,826,439.82 : x
2. Step 2: Convert to fraction form
   42,692,630,942.85/64,046,146,037.88 = 14,355,826,439.82/x
3. Step 3: Cross multiply
   42,692,630,942.85x = 64,046,146,037.88 × 14,355,826,439.82
4. Step 4: Simplify right side
   42,692,630,942.85x = 919,435,356,658,850,463,744
5. Step 5: Solve for x
   x = 919,435,356,658,850,463,744/42,692,630,942.85
6. Step 6: Final answer
   x = 21,536,160,605.56