Finding the Fourth Proportional to 21,948,061.83, 30,288,320.06 and 12,159,141.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,948,061.83 : 30,288,320.06 = 12,159,141.63 : x
2. Step 2: Convert to fraction form
   21,948,061.83/30,288,320.06 = 12,159,141.63/x
3. Step 3: Cross multiply
   21,948,061.83x = 30,288,320.06 × 12,159,141.63
4. Step 4: Simplify right side
   21,948,061.83x = 368,279,973,283,514.44
5. Step 5: Solve for x
   x = 368,279,973,283,514.44/21,948,061.83
6. Step 6: Final answer
   x = 16,779,612.53