Finding the Fourth Proportional to 102,280.25, 153,484.27 and 39,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   102,280.25 : 153,484.27 = 39,105.72 : x
2. Step 2: Convert to fraction form
   102,280.25/153,484.27 = 39,105.72/x
3. Step 3: Cross multiply
   102,280.25x = 153,484.27 × 39,105.72
4. Step 4: Simplify right side
   102,280.25x = 6,002,112,789.26
5. Step 5: Solve for x
   x = 6,002,112,789.26/102,280.25
6. Step 6: Final answer
   x = 58,683.01