Finding the Fourth Proportional to 64,059.60, 96,569.94 and 59,778

Step by Step Solution

1. Step 1: Write the proportion equation
   64,059.60 : 96,569.94 = 59,778 : x
2. Step 2: Convert to fraction form
   64,059.60/96,569.94 = 59,778/x
3. Step 3: Cross multiply
   64,059.60x = 96,569.94 × 59,778
4. Step 4: Simplify right side
   64,059.60x = 5,772,757,873.32
5. Step 5: Solve for x
   x = 5,772,757,873.32/64,059.60
6. Step 6: Final answer
   x = 90,115.42