Finding the Fourth Proportional to 2,218,306.86, 3,061,265.51 and 1,199,711.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,306.86 : 3,061,265.51 = 1,199,711.61 : x
2. Step 2: Convert to fraction form
   2,218,306.86/3,061,265.51 = 1,199,711.61/x
3. Step 3: Cross multiply
   2,218,306.86x = 3,061,265.51 × 1,199,711.61
4. Step 4: Simplify right side
   2,218,306.86x = 3,672,635,752,334.69
5. Step 5: Solve for x
   x = 3,672,635,752,334.69/2,218,306.86
6. Step 6: Final answer
   x = 1,655,603.12