Finding the Fourth Proportional to 2,155,333.25, 2,974,252.98 and 1,224,919.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,333.25 : 2,974,252.98 = 1,224,919.35 : x
2. Step 2: Convert to fraction form
   2,155,333.25/2,974,252.98 = 1,224,919.35/x
3. Step 3: Cross multiply
   2,155,333.25x = 2,974,252.98 × 1,224,919.35
4. Step 4: Simplify right side
   2,155,333.25x = 3,643,220,026,997.16
5. Step 5: Solve for x
   x = 3,643,220,026,997.16/2,155,333.25
6. Step 6: Final answer
   x = 1,690,327.95