Finding the Fourth Proportional to 131,692, 181,734.96 and 72,076

Step by Step Solution

1. Step 1: Write the proportion equation
   131,692 : 181,734.96 = 72,076 : x
2. Step 2: Convert to fraction form
   131,692/181,734.96 = 72,076/x
3. Step 3: Cross multiply
   131,692x = 181,734.96 × 72,076
4. Step 4: Simplify right side
   131,692x = 13,098,728,976.96
5. Step 5: Solve for x
   x = 13,098,728,976.96/131,692
6. Step 6: Final answer
   x = 99,464.88