Finding the Fourth Proportional to 40,725,128.91, 56,201,786.52 and 22,141,519.47

Step by Step Solution

1. Step 1: Write the proportion equation
   40,725,128.91 : 56,201,786.52 = 22,141,519.47 : x
2. Step 2: Convert to fraction form
   40,725,128.91/56,201,786.52 = 22,141,519.47/x
3. Step 3: Cross multiply
   40,725,128.91x = 56,201,786.52 × 22,141,519.47
4. Step 4: Simplify right side
   40,725,128.91x = 1,244,392,950,481,363.50
5. Step 5: Solve for x
   x = 1,244,392,950,481,363.50/40,725,128.91
6. Step 6: Final answer
   x = 30,555,899.61