Finding the Fourth Proportional to 13,124.25, 18,111.47 and 7,536.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,124.25 : 18,111.47 = 7,536.33 : x
2. Step 2: Convert to fraction form
   13,124.25/18,111.47 = 7,536.33/x
3. Step 3: Cross multiply
   13,124.25x = 18,111.47 × 7,536.33
4. Step 4: Simplify right side
   13,124.25x = 136,493,977.02
5. Step 5: Solve for x
   x = 136,493,977.02/13,124.25
6. Step 6: Final answer
   x = 10,400.14