Finding the Fourth Proportional to 1,637,106.72, 2,260,143.72 and 1,086,569.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,106.72 : 2,260,143.72 = 1,086,569.04 : x
2. Step 2: Convert to fraction form
   1,637,106.72/2,260,143.72 = 1,086,569.04/x
3. Step 3: Cross multiply
   1,637,106.72x = 2,260,143.72 × 1,086,569.04
4. Step 4: Simplify right side
   1,637,106.72x = 2,455,802,192,102.43
5. Step 5: Solve for x
   x = 2,455,802,192,102.43/1,637,106.72
6. Step 6: Final answer
   x = 1,500,086.81