Finding the Fourth Proportional to 14,077.38, 19,426.78 and 7,789.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,077.38 : 19,426.78 = 7,789.76 : x
2. Step 2: Convert to fraction form
   14,077.38/19,426.78 = 7,789.76/x
3. Step 3: Cross multiply
   14,077.38x = 19,426.78 × 7,789.76
4. Step 4: Simplify right side
   14,077.38x = 151,329,953.77
5. Step 5: Solve for x
   x = 151,329,953.77/14,077.38
6. Step 6: Final answer
   x = 10,749.87