Finding the Fourth Proportional to 61,308.75, 91,426.61 and 60,748.22

Step by Step Solution

1. Step 1: Write the proportion equation
   61,308.75 : 91,426.61 = 60,748.22 : x
2. Step 2: Convert to fraction form
   61,308.75/91,426.61 = 60,748.22/x
3. Step 3: Cross multiply
   61,308.75x = 91,426.61 × 60,748.22
4. Step 4: Simplify right side
   61,308.75x = 5,554,003,057.26
5. Step 5: Solve for x
   x = 5,554,003,057.26/61,308.75
6. Step 6: Final answer
   x = 90,590.71