Finding the Fourth Proportional to 606,116.32, 836,272.56 and 347,992

Step by Step Solution

1. Step 1: Write the proportion equation
   606,116.32 : 836,272.56 = 347,992 : x
2. Step 2: Convert to fraction form
   606,116.32/836,272.56 = 347,992/x
3. Step 3: Cross multiply
   606,116.32x = 836,272.56 × 347,992
4. Step 4: Simplify right side
   606,116.32x = 291,016,160,699.52
5. Step 5: Solve for x
   x = 291,016,160,699.52/606,116.32
6. Step 6: Final answer
   x = 480,132.53