Finding the Fourth Proportional to 16,146,042.94, 22,281,987.54 and 9,867,586.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146,042.94 : 22,281,987.54 = 9,867,586.78 : x
2. Step 2: Convert to fraction form
   16,146,042.94/22,281,987.54 = 9,867,586.78/x
3. Step 3: Cross multiply
   16,146,042.94x = 22,281,987.54 × 9,867,586.78
4. Step 4: Simplify right side
   16,146,042.94x = 219,869,445,681,828.69
5. Step 5: Solve for x
   x = 219,869,445,681,828.69/16,146,042.94
6. Step 6: Final answer
   x = 13,617,543.72