Finding the Fourth Proportional to 478,719.12, 718,076.52 and 123,702.96

Step by Step Solution

1. Step 1: Write the proportion equation
   478,719.12 : 718,076.52 = 123,702.96 : x
2. Step 2: Convert to fraction form
   478,719.12/718,076.52 = 123,702.96/x
3. Step 3: Cross multiply
   478,719.12x = 718,076.52 × 123,702.96
4. Step 4: Simplify right side
   478,719.12x = 88,828,191,030.50
5. Step 5: Solve for x
   x = 88,828,191,030.50/478,719.12
6. Step 6: Final answer
   x = 185,553.88