Finding the Fourth Proportional to 9,973.02, 13,767.76 and 7,729.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,973.02 : 13,767.76 = 7,729.86 : x
2. Step 2: Convert to fraction form
   9,973.02/13,767.76 = 7,729.86/x
3. Step 3: Cross multiply
   9,973.02x = 13,767.76 × 7,729.86
4. Step 4: Simplify right side
   9,973.02x = 106,422,857.31
5. Step 5: Solve for x
   x = 106,422,857.31/9,973.02
6. Step 6: Final answer
   x = 10,671.08