Finding the Fourth Proportional to 1,142,708.48, 1,576,772.16 and 633,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,708.48 : 1,576,772.16 = 633,410.72 : x
2. Step 2: Convert to fraction form
   1,142,708.48/1,576,772.16 = 633,410.72/x
3. Step 3: Cross multiply
   1,142,708.48x = 1,576,772.16 × 633,410.72
4. Step 4: Simplify right side
   1,142,708.48x = 998,744,389,141.56
5. Step 5: Solve for x
   x = 998,744,389,141.56/1,142,708.48
6. Step 6: Final answer
   x = 874,015.03