Finding the Fourth Proportional to 22,778,049.18, 31,433,709.52 and 12,464,772.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,778,049.18 : 31,433,709.52 = 12,464,772.78 : x
2. Step 2: Convert to fraction form
   22,778,049.18/31,433,709.52 = 12,464,772.78/x
3. Step 3: Cross multiply
   22,778,049.18x = 31,433,709.52 × 12,464,772.78
4. Step 4: Simplify right side
   22,778,049.18x = 391,814,046,799,322.81
5. Step 5: Solve for x
   x = 391,814,046,799,322.81/22,778,049.18
6. Step 6: Final answer
   x = 17,201,387.34