Finding the Fourth Proportional to 1,142,116.10, 1,576,120.22 and 632,818.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,116.10 : 1,576,120.22 = 632,818.47 : x
2. Step 2: Convert to fraction form
   1,142,116.10/1,576,120.22 = 632,818.47/x
3. Step 3: Cross multiply
   1,142,116.10x = 1,576,120.22 × 632,818.47
4. Step 4: Simplify right side
   1,142,116.10x = 997,397,994,835.50
5. Step 5: Solve for x
   x = 997,397,994,835.50/1,142,116.10
6. Step 6: Final answer
   x = 873,289.50