Finding the Fourth Proportional to 91,717.86, 137,562.60 and 37,688.02

Step by Step Solution

1. Step 1: Write the proportion equation
   91,717.86 : 137,562.60 = 37,688.02 : x
2. Step 2: Convert to fraction form
   91,717.86/137,562.60 = 37,688.02/x
3. Step 3: Cross multiply
   91,717.86x = 137,562.60 × 37,688.02
4. Step 4: Simplify right side
   91,717.86x = 5,184,462,020.05
5. Step 5: Solve for x
   x = 5,184,462,020.05/91,717.86
6. Step 6: Final answer
   x = 56,526.20