Finding the Fourth Proportional to 2,386,106.86, 3,292,799.78 and 1,298,359.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386,106.86 : 3,292,799.78 = 1,298,359.70 : x
2. Step 2: Convert to fraction form
   2,386,106.86/3,292,799.78 = 1,298,359.70/x
3. Step 3: Cross multiply
   2,386,106.86x = 3,292,799.78 × 1,298,359.70
4. Step 4: Simplify right side
   2,386,106.86x = 4,275,238,533,650.77
5. Step 5: Solve for x
   x = 4,275,238,533,650.77/2,386,106.86
6. Step 6: Final answer
   x = 1,791,721.32