Finding the Fourth Proportional to 14,063.71, 19,407.90 and 7,776.04

Step by Step Solution

1. Step 1: Write the proportion equation
   14,063.71 : 19,407.90 = 7,776.04 : x
2. Step 2: Convert to fraction form
   14,063.71/19,407.90 = 7,776.04/x
3. Step 3: Cross multiply
   14,063.71x = 19,407.90 × 7,776.04
4. Step 4: Simplify right side
   14,063.71x = 150,916,606.72
5. Step 5: Solve for x
   x = 150,916,606.72/14,063.71
6. Step 6: Final answer
   x = 10,730.92