Finding the Fourth Proportional to 9,670.95, 13,346.78 and 5,690.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,670.95 : 13,346.78 = 5,690.07 : x
2. Step 2: Convert to fraction form
   9,670.95/13,346.78 = 5,690.07/x
3. Step 3: Cross multiply
   9,670.95x = 13,346.78 × 5,690.07
4. Step 4: Simplify right side
   9,670.95x = 75,944,084.02
5. Step 5: Solve for x
   x = 75,944,084.02/9,670.95
6. Step 6: Final answer
   x = 7,852.80