Finding the Fourth Proportional to 1,142,700.48, 1,576,761.12 and 633,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,700.48 : 1,576,761.12 = 633,402.72 : x
2. Step 2: Convert to fraction form
   1,142,700.48/1,576,761.12 = 633,402.72/x
3. Step 3: Cross multiply
   1,142,700.48x = 1,576,761.12 × 633,402.72
4. Step 4: Simplify right side
   1,142,700.48x = 998,724,782,198.25
5. Step 5: Solve for x
   x = 998,724,782,198.25/1,142,700.48
6. Step 6: Final answer
   x = 874,003.99