Finding the Fourth Proportional to 107,498.72, 148,344.45 and 59,100.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,498.72 : 148,344.45 = 59,100.30 : x
2. Step 2: Convert to fraction form
   107,498.72/148,344.45 = 59,100.30/x
3. Step 3: Cross multiply
   107,498.72x = 148,344.45 × 59,100.30
4. Step 4: Simplify right side
   107,498.72x = 8,767,200,756.61
5. Step 5: Solve for x
   x = 8,767,200,756.61/107,498.72
6. Step 6: Final answer
   x = 81,556.33