Finding the Fourth Proportional to 22,300,915.10, 33,484,210.10 and 12,472,235.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300,915.10 : 33,484,210.10 = 12,472,235.12 : x
2. Step 2: Convert to fraction form
   22,300,915.10/33,484,210.10 = 12,472,235.12/x
3. Step 3: Cross multiply
   22,300,915.10x = 33,484,210.10 × 12,472,235.12
4. Step 4: Simplify right side
   22,300,915.10x = 417,622,941,289,569.81
5. Step 5: Solve for x
   x = 417,622,941,289,569.81/22,300,915.10
6. Step 6: Final answer
   x = 18,726,717.69