Finding the Fourth Proportional to 96,585, 133,257.96 and 60,810.72

Step by Step Solution

1. Step 1: Write the proportion equation
   96,585 : 133,257.96 = 60,810.72 : x
2. Step 2: Convert to fraction form
   96,585/133,257.96 = 60,810.72/x
3. Step 3: Cross multiply
   96,585x = 133,257.96 × 60,810.72
4. Step 4: Simplify right side
   96,585x = 8,103,512,493.33
5. Step 5: Solve for x
   x = 8,103,512,493.33/96,585
6. Step 6: Final answer
   x = 83,900.32