Finding the Fourth Proportional to 107,307.09, 148,082.72 and 59,559.21

Step by Step Solution

1. Step 1: Write the proportion equation
   107,307.09 : 148,082.72 = 59,559.21 : x
2. Step 2: Convert to fraction form
   107,307.09/148,082.72 = 59,559.21/x
3. Step 3: Cross multiply
   107,307.09x = 148,082.72 × 59,559.21
4. Step 4: Simplify right side
   107,307.09x = 8,819,689,520.06
5. Step 5: Solve for x
   x = 8,819,689,520.06/107,307.09
6. Step 6: Final answer
   x = 82,191.12