Finding the Fourth Proportional to 75,328.15, 113,062.69 and 39,815.82

Step by Step Solution

1. Step 1: Write the proportion equation
   75,328.15 : 113,062.69 = 39,815.82 : x
2. Step 2: Convert to fraction form
   75,328.15/113,062.69 = 39,815.82/x
3. Step 3: Cross multiply
   75,328.15x = 113,062.69 × 39,815.82
4. Step 4: Simplify right side
   75,328.15x = 4,501,683,713.76
5. Step 5: Solve for x
   x = 4,501,683,713.76/75,328.15
6. Step 6: Final answer
   x = 59,760.98