Finding the Fourth Proportional to 2,123,375.60, 2,930,547.57 and 1,252,456.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,375.60 : 2,930,547.57 = 1,252,456.31 : x
2. Step 2: Convert to fraction form
   2,123,375.60/2,930,547.57 = 1,252,456.31/x
3. Step 3: Cross multiply
   2,123,375.60x = 2,930,547.57 × 1,252,456.31
4. Step 4: Simplify right side
   2,123,375.60x = 3,670,382,781,148.93
5. Step 5: Solve for x
   x = 3,670,382,781,148.93/2,123,375.60
6. Step 6: Final answer
   x = 1,728,560.31