Finding the Fourth Proportional to 123,139.32, 184,702.29 and 48,272.85

Step by Step Solution

1. Step 1: Write the proportion equation
   123,139.32 : 184,702.29 = 48,272.85 : x
2. Step 2: Convert to fraction form
   123,139.32/184,702.29 = 48,272.85/x
3. Step 3: Cross multiply
   123,139.32x = 184,702.29 × 48,272.85
4. Step 4: Simplify right side
   123,139.32x = 8,916,105,939.83
5. Step 5: Solve for x
   x = 8,916,105,939.83/123,139.32
6. Step 6: Final answer
   x = 72,406.65