Finding the Fourth Proportional to 2,250,124.47, 3,105,179.95 and 1,217,632.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,124.47 : 3,105,179.95 = 1,217,632.15 : x
2. Step 2: Convert to fraction form
   2,250,124.47/3,105,179.95 = 1,217,632.15/x
3. Step 3: Cross multiply
   2,250,124.47x = 3,105,179.95 × 1,217,632.15
4. Step 4: Simplify right side
   2,250,124.47x = 3,780,966,932,567.23
5. Step 5: Solve for x
   x = 3,780,966,932,567.23/2,250,124.47
6. Step 6: Final answer
   x = 1,680,336.79