Finding the Fourth Proportional to 22,502,536.88, 31,053,649.98 and 12,189,259.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,502,536.88 : 31,053,649.98 = 12,189,259.88 : x
2. Step 2: Convert to fraction form
   22,502,536.88/31,053,649.98 = 12,189,259.88/x
3. Step 3: Cross multiply
   22,502,536.88x = 31,053,649.98 × 12,189,259.88
4. Step 4: Simplify right side
   22,502,536.88x = 378,521,009,828,776.81
5. Step 5: Solve for x
   x = 378,521,009,828,776.81/22,502,536.88
6. Step 6: Final answer
   x = 16,821,259.39