Finding the Fourth Proportional to 11,635.89, 17,531.31 and 10,526.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,635.89 : 17,531.31 = 10,526.52 : x
2. Step 2: Convert to fraction form
   11,635.89/17,531.31 = 10,526.52/x
3. Step 3: Cross multiply
   11,635.89x = 17,531.31 × 10,526.52
4. Step 4: Simplify right side
   11,635.89x = 184,543,685.34
5. Step 5: Solve for x
   x = 184,543,685.34/11,635.89
6. Step 6: Final answer
   x = 15,859.87