Finding the Fourth Proportional to 42,999,216.45, 60,368,964.15 and 42,999,216.45

Step by Step Solution

1. Step 1: Write the proportion equation
   42,999,216.45 : 60,368,964.15 = 42,999,216.45 : x
2. Step 2: Convert to fraction form
   42,999,216.45/60,368,964.15 = 42,999,216.45/x
3. Step 3: Cross multiply
   42,999,216.45x = 60,368,964.15 × 42,999,216.45
4. Step 4: Simplify right side
   42,999,216.45x = 2,595,818,156,348,140.50
5. Step 5: Solve for x
   x = 2,595,818,156,348,140.50/42,999,216.45
6. Step 6: Final answer
   x = 60,368,964.15