Finding the Fourth Proportional to 88,821.78, 122,435.97 and 60,478.74

Step by Step Solution

1. Step 1: Write the proportion equation
   88,821.78 : 122,435.97 = 60,478.74 : x
2. Step 2: Convert to fraction form
   88,821.78/122,435.97 = 60,478.74/x
3. Step 3: Cross multiply
   88,821.78x = 122,435.97 × 60,478.74
4. Step 4: Simplify right side
   88,821.78x = 7,404,773,196.28
5. Step 5: Solve for x
   x = 7,404,773,196.28/88,821.78
6. Step 6: Final answer
   x = 83,366.64