Finding the Fourth Proportional to 12,973.80, 17,901.42 and 7,308.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.80 : 17,901.42 = 7,308.12 : x
2. Step 2: Convert to fraction form
   12,973.80/17,901.42 = 7,308.12/x
3. Step 3: Cross multiply
   12,973.80x = 17,901.42 × 7,308.12
4. Step 4: Simplify right side
   12,973.80x = 130,825,725.53
5. Step 5: Solve for x
   x = 130,825,725.53/12,973.80
6. Step 6: Final answer
   x = 10,083.84