Finding the Fourth Proportional to 1,267,152.60, 1,748,754.20 and 723,398.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,152.60 : 1,748,754.20 = 723,398.52 : x
2. Step 2: Convert to fraction form
   1,267,152.60/1,748,754.20 = 723,398.52/x
3. Step 3: Cross multiply
   1,267,152.60x = 1,748,754.20 × 723,398.52
4. Step 4: Simplify right side
   1,267,152.60x = 1,265,046,200,123.78
5. Step 5: Solve for x
   x = 1,265,046,200,123.78/1,267,152.60
6. Step 6: Final answer
   x = 998,337.69