Finding the Fourth Proportional to 1,553,005.05, 2,143,142.60 and 873,941.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,005.05 : 2,143,142.60 = 873,941.55 : x
2. Step 2: Convert to fraction form
   1,553,005.05/2,143,142.60 = 873,941.55/x
3. Step 3: Cross multiply
   1,553,005.05x = 2,143,142.60 × 873,941.55
4. Step 4: Simplify right side
   1,553,005.05x = 1,872,981,361,345.32
5. Step 5: Solve for x
   x = 1,872,981,361,345.32/1,553,005.05
6. Step 6: Final answer
   x = 1,206,036.88