Finding the Fourth Proportional to 14,156.76, 19,537.12 and 7,869.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,156.76 : 19,537.12 = 7,869.54 : x
2. Step 2: Convert to fraction form
   14,156.76/19,537.12 = 7,869.54/x
3. Step 3: Cross multiply
   14,156.76x = 19,537.12 × 7,869.54
4. Step 4: Simplify right side
   14,156.76x = 153,748,147.32
5. Step 5: Solve for x
   x = 153,748,147.32/14,156.76
6. Step 6: Final answer
   x = 10,860.41