Finding the Fourth Proportional to 91,814.50, 137,780.01 and 39,224.38

Step by Step Solution

1. Step 1: Write the proportion equation
   91,814.50 : 137,780.01 = 39,224.38 : x
2. Step 2: Convert to fraction form
   91,814.50/137,780.01 = 39,224.38/x
3. Step 3: Cross multiply
   91,814.50x = 137,780.01 × 39,224.38
4. Step 4: Simplify right side
   91,814.50x = 5,404,335,468.64
5. Step 5: Solve for x
   x = 5,404,335,468.64/91,814.50
6. Step 6: Final answer
   x = 58,861.46