Finding the Fourth Proportional to 10,006.18, 14,995.85 and 7,787.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,006.18 : 14,995.85 = 7,787.69 : x
2. Step 2: Convert to fraction form
   10,006.18/14,995.85 = 7,787.69/x
3. Step 3: Cross multiply
   10,006.18x = 14,995.85 × 7,787.69
4. Step 4: Simplify right side
   10,006.18x = 116,782,917.17
5. Step 5: Solve for x
   x = 116,782,917.17/10,006.18
6. Step 6: Final answer
   x = 11,671.08