Finding the Fourth Proportional to 22,619,917.34, 31,215,142.71 and 12,306,405.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,619,917.34 : 31,215,142.71 = 12,306,405.02 : x
2. Step 2: Convert to fraction form
   22,619,917.34/31,215,142.71 = 12,306,405.02/x
3. Step 3: Cross multiply
   22,619,917.34x = 31,215,142.71 × 12,306,405.02
4. Step 4: Simplify right side
   22,619,917.34x = 384,146,188,946,360.38
5. Step 5: Solve for x
   x = 384,146,188,946,360.38/22,619,917.34
6. Step 6: Final answer
   x = 16,982,652.20