Finding the Fourth Proportional to 12,973.31, 17,904.08 and 7,384.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.31 : 17,904.08 = 7,384.31 : x
2. Step 2: Convert to fraction form
   12,973.31/17,904.08 = 7,384.31/x
3. Step 3: Cross multiply
   12,973.31x = 17,904.08 × 7,384.31
4. Step 4: Simplify right side
   12,973.31x = 132,209,276.98
5. Step 5: Solve for x
   x = 132,209,276.98/12,973.31
6. Step 6: Final answer
   x = 10,190.87