Finding the Fourth Proportional to 102,258.34, 141,078.35 and 102,100.48

Step by Step Solution

1. Step 1: Write the proportion equation
   102,258.34 : 141,078.35 = 102,100.48 : x
2. Step 2: Convert to fraction form
   102,258.34/141,078.35 = 102,100.48/x
3. Step 3: Cross multiply
   102,258.34x = 141,078.35 × 102,100.48
4. Step 4: Simplify right side
   102,258.34x = 14,404,167,155.16
5. Step 5: Solve for x
   x = 14,404,167,155.16/102,258.34
6. Step 6: Final answer
   x = 140,860.56