Finding the Fourth Proportional to 132,553.05, 198,799.74 and 37,781.31

Step by Step Solution

1. Step 1: Write the proportion equation
   132,553.05 : 198,799.74 = 37,781.31 : x
2. Step 2: Convert to fraction form
   132,553.05/198,799.74 = 37,781.31/x
3. Step 3: Cross multiply
   132,553.05x = 198,799.74 × 37,781.31
4. Step 4: Simplify right side
   132,553.05x = 7,510,914,604.86
5. Step 5: Solve for x
   x = 7,510,914,604.86/132,553.05
6. Step 6: Final answer
   x = 56,663.46