Finding the Fourth Proportional to 353,071.32, 529,308.42 and 153,241.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,071.32 : 529,308.42 = 153,241.50 : x
2. Step 2: Convert to fraction form
   353,071.32/529,308.42 = 153,241.50/x
3. Step 3: Cross multiply
   353,071.32x = 529,308.42 × 153,241.50
4. Step 4: Simplify right side
   353,071.32x = 81,112,016,243.43
5. Step 5: Solve for x
   x = 81,112,016,243.43/353,071.32
6. Step 6: Final answer
   x = 229,732.67