Finding the Fourth Proportional to 1,334,002.18, 1,840,920.88 and 722,154.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334,002.18 : 1,840,920.88 = 722,154.78 : x
2. Step 2: Convert to fraction form
   1,334,002.18/1,840,920.88 = 722,154.78/x
3. Step 3: Cross multiply
   1,334,002.18x = 1,840,920.88 × 722,154.78
4. Step 4: Simplify right side
   1,334,002.18x = 1,329,429,813,093.81
5. Step 5: Solve for x
   x = 1,329,429,813,093.81/1,334,002.18
6. Step 6: Final answer
   x = 996,572.44