Finding the Fourth Proportional to 61,301.25, 91,415.43 and 60,740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,301.25 : 91,415.43 = 60,740.72 : x
2. Step 2: Convert to fraction form
   61,301.25/91,415.43 = 60,740.72/x
3. Step 3: Cross multiply
   61,301.25x = 91,415.43 × 60,740.72
4. Step 4: Simplify right side
   61,301.25x = 5,552,638,923.04
5. Step 5: Solve for x
   x = 5,552,638,923.04/61,301.25
6. Step 6: Final answer
   x = 90,579.54