Finding the Fourth Proportional to 14,290.98, 19,719.90 and 7,916.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,290.98 : 19,719.90 = 7,916.82 : x
2. Step 2: Convert to fraction form
   14,290.98/19,719.90 = 7,916.82/x
3. Step 3: Cross multiply
   14,290.98x = 19,719.90 × 7,916.82
4. Step 4: Simplify right side
   14,290.98x = 156,118,898.72
5. Step 5: Solve for x
   x = 156,118,898.72/14,290.98
6. Step 6: Final answer
   x = 10,924.30