Finding the Fourth Proportional to 510,796.72, 704,899.48 and 296,061.35

Step by Step Solution

1. Step 1: Write the proportion equation
   510,796.72 : 704,899.48 = 296,061.35 : x
2. Step 2: Convert to fraction form
   510,796.72/704,899.48 = 296,061.35/x
3. Step 3: Cross multiply
   510,796.72x = 704,899.48 × 296,061.35
4. Step 4: Simplify right side
   510,796.72x = 208,693,487,120.89
5. Step 5: Solve for x
   x = 208,693,487,120.89/510,796.72
6. Step 6: Final answer
   x = 408,564.65