Finding the Fourth Proportional to 107,442.15, 148,272.83 and 59,043.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,442.15 : 148,272.83 = 59,043.72 : x
2. Step 2: Convert to fraction form
   107,442.15/148,272.83 = 59,043.72/x
3. Step 3: Cross multiply
   107,442.15x = 148,272.83 × 59,043.72
4. Step 4: Simplify right side
   107,442.15x = 8,754,579,106.31
5. Step 5: Solve for x
   x = 8,754,579,106.31/107,442.15
6. Step 6: Final answer
   x = 81,481.79