Finding the Fourth Proportional to 9,946.42, 13,726.41 and 5,470.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.42 : 13,726.41 = 5,470.51 : x
2. Step 2: Convert to fraction form
   9,946.42/13,726.41 = 5,470.51/x
3. Step 3: Cross multiply
   9,946.42x = 13,726.41 × 5,470.51
4. Step 4: Simplify right side
   9,946.42x = 75,090,463.17
5. Step 5: Solve for x
   x = 75,090,463.17/9,946.42
6. Step 6: Final answer
   x = 7,549.50