Finding the Fourth Proportional to 22,725,739.38, 31,360,614.27 and 12,802,390.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,725,739.38 : 31,360,614.27 = 12,802,390.91 : x
2. Step 2: Convert to fraction form
   22,725,739.38/31,360,614.27 = 12,802,390.91/x
3. Step 3: Cross multiply
   22,725,739.38x = 31,360,614.27 × 12,802,390.91
4. Step 4: Simplify right side
   22,725,739.38x = 401,490,843,062,264.31
5. Step 5: Solve for x
   x = 401,490,843,062,264.31/22,725,739.38
6. Step 6: Final answer
   x = 17,666,789.02