Finding the Fourth Proportional to 88,978.08, 122,839.24 and 61,794.48

Step by Step Solution

1. Step 1: Write the proportion equation
   88,978.08 : 122,839.24 = 61,794.48 : x
2. Step 2: Convert to fraction form
   88,978.08/122,839.24 = 61,794.48/x
3. Step 3: Cross multiply
   88,978.08x = 122,839.24 × 61,794.48
4. Step 4: Simplify right side
   88,978.08x = 7,590,786,959.40
5. Step 5: Solve for x
   x = 7,590,786,959.40/88,978.08
6. Step 6: Final answer
   x = 85,310.75