Finding the Fourth Proportional to 93,401.50, 128,894.07 and 59,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,401.50 : 128,894.07 = 59,867.50 : x
2. Step 2: Convert to fraction form
   93,401.50/128,894.07 = 59,867.50/x
3. Step 3: Cross multiply
   93,401.50x = 128,894.07 × 59,867.50
4. Step 4: Simplify right side
   93,401.50x = 7,716,565,735.73
5. Step 5: Solve for x
   x = 7,716,565,735.73/93,401.50
6. Step 6: Final answer
   x = 82,617.15