Finding the Fourth Proportional to 1,134,012.42, 1,701,031.32 and 485,501.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134,012.42 : 1,701,031.32 = 485,501.31 : x
2. Step 2: Convert to fraction form
   1,134,012.42/1,701,031.32 = 485,501.31/x
3. Step 3: Cross multiply
   1,134,012.42x = 1,701,031.32 × 485,501.31
4. Step 4: Simplify right side
   1,134,012.42x = 825,852,934,211.03
5. Step 5: Solve for x
   x = 825,852,934,211.03/1,134,012.42
6. Step 6: Final answer
   x = 728,257.40