Finding the Fourth Proportional to 2,725,243.74, 4,088,498.76 and 928,142.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725,243.74 : 4,088,498.76 = 928,142.82 : x
2. Step 2: Convert to fraction form
   2,725,243.74/4,088,498.76 = 928,142.82/x
3. Step 3: Cross multiply
   2,725,243.74x = 4,088,498.76 × 928,142.82
4. Step 4: Simplify right side
   2,725,243.74x = 3,794,710,768,672.90
5. Step 5: Solve for x
   x = 3,794,710,768,672.90/2,725,243.74
6. Step 6: Final answer
   x = 1,392,429.86