Finding the Fourth Proportional to 59,635.40, 89,258.70 and 59,635.40

Step by Step Solution

1. Step 1: Write the proportion equation
   59,635.40 : 89,258.70 = 59,635.40 : x
2. Step 2: Convert to fraction form
   59,635.40/89,258.70 = 59,635.40/x
3. Step 3: Cross multiply
   59,635.40x = 89,258.70 × 59,635.40
4. Step 4: Simplify right side
   59,635.40x = 5,322,978,277.98
5. Step 5: Solve for x
   x = 5,322,978,277.98/59,635.40
6. Step 6: Final answer
   x = 89,258.70