Finding the Fourth Proportional to 91,407.53, 137,159.10 and 37,412.30

Step by Step Solution

1. Step 1: Write the proportion equation
   91,407.53 : 137,159.10 = 37,412.30 : x
2. Step 2: Convert to fraction form
   91,407.53/137,159.10 = 37,412.30/x
3. Step 3: Cross multiply
   91,407.53x = 137,159.10 × 37,412.30
4. Step 4: Simplify right side
   91,407.53x = 5,131,436,711.13
5. Step 5: Solve for x
   x = 5,131,436,711.13/91,407.53
6. Step 6: Final answer
   x = 56,138.01