Finding the Fourth Proportional to 22,773,670.58, 31,426,883.76 and 12,987,264.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,773,670.58 : 31,426,883.76 = 12,987,264.54 : x
2. Step 2: Convert to fraction form
   22,773,670.58/31,426,883.76 = 12,987,264.54/x
3. Step 3: Cross multiply
   22,773,670.58x = 31,426,883.76 × 12,987,264.54
4. Step 4: Simplify right side
   22,773,670.58x = 408,149,253,058,949.88
5. Step 5: Solve for x
   x = 408,149,253,058,949.88/22,773,670.58
6. Step 6: Final answer
   x = 17,921,979.31