Finding the Fourth Proportional to 9,726.84, 13,422.24 and 5,748.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726.84 : 13,422.24 = 5,748.12 : x
2. Step 2: Convert to fraction form
   9,726.84/13,422.24 = 5,748.12/x
3. Step 3: Cross multiply
   9,726.84x = 13,422.24 × 5,748.12
4. Step 4: Simplify right side
   9,726.84x = 77,152,646.19
5. Step 5: Solve for x
   x = 77,152,646.19/9,726.84
6. Step 6: Final answer
   x = 7,931.93