Finding the Fourth Proportional to 22,053,271.33, 30,429,054.70 and 12,884,142.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,053,271.33 : 30,429,054.70 = 12,884,142.61 : x
2. Step 2: Convert to fraction form
   22,053,271.33/30,429,054.70 = 12,884,142.61/x
3. Step 3: Cross multiply
   22,053,271.33x = 30,429,054.70 × 12,884,142.61
4. Step 4: Simplify right side
   22,053,271.33x = 392,052,280,242,290.75
5. Step 5: Solve for x
   x = 392,052,280,242,290.75/22,053,271.33
6. Step 6: Final answer
   x = 17,777,511.30