Finding the Fourth Proportional to 478,171.52, 659,826.52 and 271,374.05

Step by Step Solution

1. Step 1: Write the proportion equation
   478,171.52 : 659,826.52 = 271,374.05 : x
2. Step 2: Convert to fraction form
   478,171.52/659,826.52 = 271,374.05/x
3. Step 3: Cross multiply
   478,171.52x = 659,826.52 × 271,374.05
4. Step 4: Simplify right side
   478,171.52x = 179,059,796,290.24
5. Step 5: Solve for x
   x = 179,059,796,290.24/478,171.52
6. Step 6: Final answer
   x = 374,467.72