Finding the Fourth Proportional to 22,217,320.04, 30,662,210.72 and 12,798,435.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,217,320.04 : 30,662,210.72 = 12,798,435.92 : x
2. Step 2: Convert to fraction form
   22,217,320.04/30,662,210.72 = 12,798,435.92/x
3. Step 3: Cross multiply
   22,217,320.04x = 30,662,210.72 × 12,798,435.92
4. Step 4: Simplify right side
   22,217,320.04x = 392,428,339,065,457.06
5. Step 5: Solve for x
   x = 392,428,339,065,457.06/22,217,320.04
6. Step 6: Final answer
   x = 17,663,171.72