Finding the Fourth Proportional to 14,100.30, 19,456.38 and 7,812.66

Step by Step Solution

1. Step 1: Write the proportion equation
   14,100.30 : 19,456.38 = 7,812.66 : x
2. Step 2: Convert to fraction form
   14,100.30/19,456.38 = 7,812.66/x
3. Step 3: Cross multiply
   14,100.30x = 19,456.38 × 7,812.66
4. Step 4: Simplify right side
   14,100.30x = 152,006,081.77
5. Step 5: Solve for x
   x = 152,006,081.77/14,100.30
6. Step 6: Final answer
   x = 10,780.34