Finding the Fourth Proportional to 9,970.17, 14,923.67 and 5,574.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.17 : 14,923.67 = 5,574.30 : x
2. Step 2: Convert to fraction form
   9,970.17/14,923.67 = 5,574.30/x
3. Step 3: Cross multiply
   9,970.17x = 14,923.67 × 5,574.30
4. Step 4: Simplify right side
   9,970.17x = 83,188,985.81
5. Step 5: Solve for x
   x = 83,188,985.81/9,970.17
6. Step 6: Final answer
   x = 8,343.79