Finding the Fourth Proportional to 13,528.93, 18,669.86 and 7,560.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,528.93 : 18,669.86 = 7,560.59 : x
2. Step 2: Convert to fraction form
   13,528.93/18,669.86 = 7,560.59/x
3. Step 3: Cross multiply
   13,528.93x = 18,669.86 × 7,560.59
4. Step 4: Simplify right side
   13,528.93x = 141,155,156.82
5. Step 5: Solve for x
   x = 141,155,156.82/13,528.93
6. Step 6: Final answer
   x = 10,433.58