Finding the Fourth Proportional to 61,307.25, 91,424.37 and 60,746.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,307.25 : 91,424.37 = 60,746.72 : x
2. Step 2: Convert to fraction form
   61,307.25/91,424.37 = 60,746.72/x
3. Step 3: Cross multiply
   61,307.25x = 91,424.37 × 60,746.72
4. Step 4: Simplify right side
   61,307.25x = 5,553,730,148.44
5. Step 5: Solve for x
   x = 5,553,730,148.44/61,307.25
6. Step 6: Final answer
   x = 90,588.47