Finding the Fourth Proportional to 93,328.78, 128,793.72 and 59,794.78

Step by Step Solution

1. Step 1: Write the proportion equation
   93,328.78 : 128,793.72 = 59,794.78 : x
2. Step 2: Convert to fraction form
   93,328.78/128,793.72 = 59,794.78/x
3. Step 3: Cross multiply
   93,328.78x = 128,793.72 × 59,794.78
4. Step 4: Simplify right side
   93,328.78x = 7,701,192,152.78
5. Step 5: Solve for x
   x = 7,701,192,152.78/93,328.78
6. Step 6: Final answer
   x = 82,516.80