Finding the Fourth Proportional to 13,404.52, 20,110.16 and 7,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.52 : 20,110.16 = 7,862.50 : x
2. Step 2: Convert to fraction form
   13,404.52/20,110.16 = 7,862.50/x
3. Step 3: Cross multiply
   13,404.52x = 20,110.16 × 7,862.50
4. Step 4: Simplify right side
   13,404.52x = 158,116,133
5. Step 5: Solve for x
   x = 158,116,133/13,404.52
6. Step 6: Final answer
   x = 11,795.73