Finding the Fourth Proportional to 91,714.72, 137,572.16 and 73,861.66

Step by Step Solution

1. Step 1: Write the proportion equation
   91,714.72 : 137,572.16 = 73,861.66 : x
2. Step 2: Convert to fraction form
   91,714.72/137,572.16 = 73,861.66/x
3. Step 3: Cross multiply
   91,714.72x = 137,572.16 × 73,861.66
4. Step 4: Simplify right side
   91,714.72x = 10,161,308,464.01
5. Step 5: Solve for x
   x = 10,161,308,464.01/91,714.72
6. Step 6: Final answer
   x = 110,792.56