Finding the Fourth Proportional to 72,463.32, 99,997.83 and 40,631.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,463.32 : 99,997.83 = 40,631.52 : x
2. Step 2: Convert to fraction form
   72,463.32/99,997.83 = 40,631.52/x
3. Step 3: Cross multiply
   72,463.32x = 99,997.83 × 40,631.52
4. Step 4: Simplify right side
   72,463.32x = 4,063,063,829.60
5. Step 5: Solve for x
   x = 4,063,063,829.60/72,463.32
6. Step 6: Final answer
   x = 56,070.63