Finding the Fourth Proportional to 230,113.60, 345,193.95 and 88,078.20

Step by Step Solution

1. Step 1: Write the proportion equation
   230,113.60 : 345,193.95 = 88,078.20 : x
2. Step 2: Convert to fraction form
   230,113.60/345,193.95 = 88,078.20/x
3. Step 3: Cross multiply
   230,113.60x = 345,193.95 × 88,078.20
4. Step 4: Simplify right side
   230,113.60x = 30,404,061,766.89
5. Step 5: Solve for x
   x = 30,404,061,766.89/230,113.60
6. Step 6: Final answer
   x = 132,126.31