Finding the Fourth Proportional to 478,046.72, 659,699.16 and 263,182.34

Step by Step Solution

1. Step 1: Write the proportion equation
   478,046.72 : 659,699.16 = 263,182.34 : x
2. Step 2: Convert to fraction form
   478,046.72/659,699.16 = 263,182.34/x
3. Step 3: Cross multiply
   478,046.72x = 659,699.16 × 263,182.34
4. Step 4: Simplify right side
   478,046.72x = 173,621,168,624.83
5. Step 5: Solve for x
   x = 173,621,168,624.83/478,046.72
6. Step 6: Final answer
   x = 363,188.70