Finding the Fourth Proportional to 852,498.72, 1,176,430.25 and 465,301.31

Step by Step Solution

1. Step 1: Write the proportion equation
   852,498.72 : 1,176,430.25 = 465,301.31 : x
2. Step 2: Convert to fraction form
   852,498.72/1,176,430.25 = 465,301.31/x
3. Step 3: Cross multiply
   852,498.72x = 1,176,430.25 × 465,301.31
4. Step 4: Simplify right side
   852,498.72x = 547,394,531,729.73
5. Step 5: Solve for x
   x = 547,394,531,729.73/852,498.72
6. Step 6: Final answer
   x = 642,105.99