Finding the Fourth Proportional to 7,100.60, 9,799.76 and 5,117.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.60 : 9,799.76 = 5,117.72 : x
2. Step 2: Convert to fraction form
   7,100.60/9,799.76 = 5,117.72/x
3. Step 3: Cross multiply
   7,100.60x = 9,799.76 × 5,117.72
4. Step 4: Simplify right side
   7,100.60x = 50,152,427.75
5. Step 5: Solve for x
   x = 50,152,427.75/7,100.60
6. Step 6: Final answer
   x = 7,063.13