Finding the Fourth Proportional to 12,003.60, 17,973.12 and 7,833.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.60 : 17,973.12 = 7,833.30 : x
2. Step 2: Convert to fraction form
   12,003.60/17,973.12 = 7,833.30/x
3. Step 3: Cross multiply
   12,003.60x = 17,973.12 × 7,833.30
4. Step 4: Simplify right side
   12,003.60x = 140,788,840.90
5. Step 5: Solve for x
   x = 140,788,840.90/12,003.60
6. Step 6: Final answer
   x = 11,728.88