Finding the Fourth Proportional to 9,719.58, 13,411.13 and 5,470.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.58 : 13,411.13 = 5,470.07 : x
2. Step 2: Convert to fraction form
   9,719.58/13,411.13 = 5,470.07/x
3. Step 3: Cross multiply
   9,719.58x = 13,411.13 × 5,470.07
4. Step 4: Simplify right side
   9,719.58x = 73,359,833.55
5. Step 5: Solve for x
   x = 73,359,833.55/9,719.58
6. Step 6: Final answer
   x = 7,547.64