Finding the Fourth Proportional to 1,547,128, 2,135,073.42 and 868,114.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,547,128 : 2,135,073.42 = 868,114.72 : x
2. Step 2: Convert to fraction form
   1,547,128/2,135,073.42 = 868,114.72/x
3. Step 3: Cross multiply
   1,547,128x = 2,135,073.42 × 868,114.72
4. Step 4: Simplify right side
   1,547,128x = 1,853,488,664,182.74
5. Step 5: Solve for x
   x = 1,853,488,664,182.74/1,547,128
6. Step 6: Final answer
   x = 1,198,018.95