Finding the Fourth Proportional to 9,342.84, 12,892.58 and 5,570.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.84 : 12,892.58 = 5,570.26 : x
2. Step 2: Convert to fraction form
   9,342.84/12,892.58 = 5,570.26/x
3. Step 3: Cross multiply
   9,342.84x = 12,892.58 × 5,570.26
4. Step 4: Simplify right side
   9,342.84x = 71,815,022.67
5. Step 5: Solve for x
   x = 71,815,022.67/9,342.84
6. Step 6: Final answer
   x = 7,686.64