Finding the Fourth Proportional to 710,978.82, 1,066,352.58 and 237,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   710,978.82 : 1,066,352.58 = 237,663.42 : x
2. Step 2: Convert to fraction form
   710,978.82/1,066,352.58 = 237,663.42/x
3. Step 3: Cross multiply
   710,978.82x = 1,066,352.58 × 237,663.42
4. Step 4: Simplify right side
   710,978.82x = 253,433,001,088.62
5. Step 5: Solve for x
   x = 253,433,001,088.62/710,978.82
6. Step 6: Final answer
   x = 356,456.47