Finding the Fourth Proportional to 707,149.55, 1,059,881.31 and 492,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   707,149.55 : 1,059,881.31 = 492,756.72 : x
2. Step 2: Convert to fraction form
   707,149.55/1,059,881.31 = 492,756.72/x
3. Step 3: Cross multiply
   707,149.55x = 1,059,881.31 × 492,756.72
4. Step 4: Simplify right side
   707,149.55x = 522,263,637,904.90
5. Step 5: Solve for x
   x = 522,263,637,904.90/707,149.55
6. Step 6: Final answer
   x = 738,547.65