Finding the Fourth Proportional to 22,467,566.88, 31,005,174.72 and 12,154,287.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467,566.88 : 31,005,174.72 = 12,154,287.12 : x
2. Step 2: Convert to fraction form
   22,467,566.88/31,005,174.72 = 12,154,287.12/x
3. Step 3: Cross multiply
   22,467,566.88x = 31,005,174.72 × 12,154,287.12
4. Step 4: Simplify right side
   22,467,566.88x = 376,845,795,752,645.56
5. Step 5: Solve for x
   x = 376,845,795,752,645.56/22,467,566.88
6. Step 6: Final answer
   x = 16,772,879.67