Finding the Fourth Proportional to 9,510.51, 13,123.62 and 5,531.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.51 : 13,123.62 = 5,531.57 : x
2. Step 2: Convert to fraction form
   9,510.51/13,123.62 = 5,531.57/x
3. Step 3: Cross multiply
   9,510.51x = 13,123.62 × 5,531.57
4. Step 4: Simplify right side
   9,510.51x = 72,594,157.07
5. Step 5: Solve for x
   x = 72,594,157.07/9,510.51
6. Step 6: Final answer
   x = 7,633.05