Finding the Fourth Proportional to 61,308.26, 91,425.87 and 60,747.74

Step by Step Solution

1. Step 1: Write the proportion equation
   61,308.26 : 91,425.87 = 60,747.74 : x
2. Step 2: Convert to fraction form
   61,308.26/91,425.87 = 60,747.74/x
3. Step 3: Cross multiply
   61,308.26x = 91,425.87 × 60,747.74
4. Step 4: Simplify right side
   61,308.26x = 5,553,914,980.03
5. Step 5: Solve for x
   x = 5,553,914,980.03/61,308.26
6. Step 6: Final answer
   x = 90,590.00