Finding the Fourth Proportional to 14,155.56, 19,535.76 and 7,868.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,155.56 : 19,535.76 = 7,868.34 : x
2. Step 2: Convert to fraction form
   14,155.56/19,535.76 = 7,868.34/x
3. Step 3: Cross multiply
   14,155.56x = 19,535.76 × 7,868.34
4. Step 4: Simplify right side
   14,155.56x = 153,714,001.84
5. Step 5: Solve for x
   x = 153,714,001.84/14,155.56
6. Step 6: Final answer
   x = 10,858.91