Finding the Fourth Proportional to 9,081.42, 12,532.41 and 5,102.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.42 : 12,532.41 = 5,102.70 : x
2. Step 2: Convert to fraction form
   9,081.42/12,532.41 = 5,102.70/x
3. Step 3: Cross multiply
   9,081.42x = 12,532.41 × 5,102.70
4. Step 4: Simplify right side
   9,081.42x = 63,949,128.51
5. Step 5: Solve for x
   x = 63,949,128.51/9,081.42
6. Step 6: Final answer
   x = 7,041.75