Finding the Fourth Proportional to 1,488,300.33, 2,231,728.29 and 872,972.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,300.33 : 2,231,728.29 = 872,972.37 : x
2. Step 2: Convert to fraction form
   1,488,300.33/2,231,728.29 = 872,972.37/x
3. Step 3: Cross multiply
   1,488,300.33x = 2,231,728.29 × 872,972.37
4. Step 4: Simplify right side
   1,488,300.33x = 1,948,237,134,517.35
5. Step 5: Solve for x
   x = 1,948,237,134,517.35/1,488,300.33
6. Step 6: Final answer
   x = 1,309,034.94