Finding the Fourth Proportional to 1,267,061.12, 1,748,057.28 and 723,227.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,061.12 : 1,748,057.28 = 723,227.12 : x
2. Step 2: Convert to fraction form
   1,267,061.12/1,748,057.28 = 723,227.12/x
3. Step 3: Cross multiply
   1,267,061.12x = 1,748,057.28 × 723,227.12
4. Step 4: Simplify right side
   1,267,061.12x = 1,264,242,432,209.43
5. Step 5: Solve for x
   x = 1,264,242,432,209.43/1,267,061.12
6. Step 6: Final answer
   x = 997,775.41