Finding the Fourth Proportional to 5,117.48, 7,061.02 and 3,100.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,117.48 : 7,061.02 = 3,100.58 : x
2. Step 2: Convert to fraction form
   5,117.48/7,061.02 = 3,100.58/x
3. Step 3: Cross multiply
   5,117.48x = 7,061.02 × 3,100.58
4. Step 4: Simplify right side
   5,117.48x = 21,893,214.34
5. Step 5: Solve for x
   x = 21,893,214.34/5,117.48
6. Step 6: Final answer
   x = 4,278.13