Finding the Fourth Proportional to 1,117,569.56, 1,542,279.39 and 688,097.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,569.56 : 1,542,279.39 = 688,097.48 : x
2. Step 2: Convert to fraction form
   1,117,569.56/1,542,279.39 = 688,097.48/x
3. Step 3: Cross multiply
   1,117,569.56x = 1,542,279.39 × 688,097.48
4. Step 4: Simplify right side
   1,117,569.56x = 1,061,238,561,714.94
5. Step 5: Solve for x
   x = 1,061,238,561,714.94/1,117,569.56
6. Step 6: Final answer
   x = 949,595.09