Finding the Fourth Proportional to 9,482.79, 13,085.70 and 5,705.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,482.79 : 13,085.70 = 5,705.10 : x
2. Step 2: Convert to fraction form
   9,482.79/13,085.70 = 5,705.10/x
3. Step 3: Cross multiply
   9,482.79x = 13,085.70 × 5,705.10
4. Step 4: Simplify right side
   9,482.79x = 74,655,227.07
5. Step 5: Solve for x
   x = 74,655,227.07/9,482.79
6. Step 6: Final answer
   x = 7,872.71