Finding the Fourth Proportional to 93,298, 128,838.72 and 65,081.92

Step by Step Solution

1. Step 1: Write the proportion equation
   93,298 : 128,838.72 = 65,081.92 : x
2. Step 2: Convert to fraction form
   93,298/128,838.72 = 65,081.92/x
3. Step 3: Cross multiply
   93,298x = 128,838.72 × 65,081.92
4. Step 4: Simplify right side
   93,298x = 8,385,071,267.94
5. Step 5: Solve for x
   x = 8,385,071,267.94/93,298
6. Step 6: Final answer
   x = 89,874.07