Finding the Fourth Proportional to 13,867.57, 19,132.50 and 7,897.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,867.57 : 19,132.50 = 7,897.06 : x
2. Step 2: Convert to fraction form
   13,867.57/19,132.50 = 7,897.06/x
3. Step 3: Cross multiply
   13,867.57x = 19,132.50 × 7,897.06
4. Step 4: Simplify right side
   13,867.57x = 151,090,500.45
5. Step 5: Solve for x
   x = 151,090,500.45/13,867.57
6. Step 6: Final answer
   x = 10,895.24