Finding the Fourth Proportional to 695,854.50, 1,042,009.82 and 458,477.52

Step by Step Solution

1. Step 1: Write the proportion equation
   695,854.50 : 1,042,009.82 = 458,477.52 : x
2. Step 2: Convert to fraction form
   695,854.50/1,042,009.82 = 458,477.52/x
3. Step 3: Cross multiply
   695,854.50x = 1,042,009.82 × 458,477.52
4. Step 4: Simplify right side
   695,854.50x = 477,738,073,608.61
5. Step 5: Solve for x
   x = 477,738,073,608.61/695,854.50
6. Step 6: Final answer
   x = 686,548.81