Finding the Fourth Proportional to 123,221.31, 184,854.71 and 39,002.64

Step by Step Solution

1. Step 1: Write the proportion equation
   123,221.31 : 184,854.71 = 39,002.64 : x
2. Step 2: Convert to fraction form
   123,221.31/184,854.71 = 39,002.64/x
3. Step 3: Cross multiply
   123,221.31x = 184,854.71 × 39,002.64
4. Step 4: Simplify right side
   123,221.31x = 7,209,821,706.43
5. Step 5: Solve for x
   x = 7,209,821,706.43/123,221.31
6. Step 6: Final answer
   x = 58,511.16