Finding the Fourth Proportional to 230,111.60, 345,190.95 and 88,076.21

Step by Step Solution

1. Step 1: Write the proportion equation
   230,111.60 : 345,190.95 = 88,076.21 : x
2. Step 2: Convert to fraction form
   230,111.60/345,190.95 = 88,076.21/x
3. Step 3: Cross multiply
   230,111.60x = 345,190.95 × 88,076.21
4. Step 4: Simplify right side
   230,111.60x = 30,403,108,876.34
5. Step 5: Solve for x
   x = 30,403,108,876.34/230,111.60
6. Step 6: Final answer
   x = 132,123.32