Finding the Fourth Proportional to 64,599.16, 89,089.32 and 41,916.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,599.16 : 89,089.32 = 41,916.50 : x
2. Step 2: Convert to fraction form
   64,599.16/89,089.32 = 41,916.50/x
3. Step 3: Cross multiply
   64,599.16x = 89,089.32 × 41,916.50
4. Step 4: Simplify right side
   64,599.16x = 3,734,312,481.78
5. Step 5: Solve for x
   x = 3,734,312,481.78/64,599.16
6. Step 6: Final answer
   x = 57,807.45