Finding the Fourth Proportional to 106,826.43, 147,419.54 and 59,078.75

Step by Step Solution

1. Step 1: Write the proportion equation
   106,826.43 : 147,419.54 = 59,078.75 : x
2. Step 2: Convert to fraction form
   106,826.43/147,419.54 = 59,078.75/x
3. Step 3: Cross multiply
   106,826.43x = 147,419.54 × 59,078.75
4. Step 4: Simplify right side
   106,826.43x = 8,709,361,116.28
5. Step 5: Solve for x
   x = 8,709,361,116.28/106,826.43
6. Step 6: Final answer
   x = 81,528.15