Finding the Fourth Proportional to 2,109,434.86, 2,910,868.98 and 1,238,304.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,434.86 : 2,910,868.98 = 1,238,304.92 : x
2. Step 2: Convert to fraction form
   2,109,434.86/2,910,868.98 = 1,238,304.92/x
3. Step 3: Cross multiply
   2,109,434.86x = 2,910,868.98 × 1,238,304.92
4. Step 4: Simplify right side
   2,109,434.86x = 3,604,543,388,254.58
5. Step 5: Solve for x
   x = 3,604,543,388,254.58/2,109,434.86
6. Step 6: Final answer
   x = 1,708,772.07