Finding the Fourth Proportional to 14,077.47, 19,426.64 and 7,789.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,077.47 : 19,426.64 = 7,789.89 : x
2. Step 2: Convert to fraction form
   14,077.47/19,426.64 = 7,789.89/x
3. Step 3: Cross multiply
   14,077.47x = 19,426.64 × 7,789.89
4. Step 4: Simplify right side
   14,077.47x = 151,331,349.72
5. Step 5: Solve for x
   x = 151,331,349.72/14,077.47
6. Step 6: Final answer
   x = 10,749.90