Finding the Fourth Proportional to 12,670.83, 17,484.80 and 7,080.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,670.83 : 17,484.80 = 7,080.75 : x
2. Step 2: Convert to fraction form
   12,670.83/17,484.80 = 7,080.75/x
3. Step 3: Cross multiply
   12,670.83x = 17,484.80 × 7,080.75
4. Step 4: Simplify right side
   12,670.83x = 123,805,462.20
5. Step 5: Solve for x
   x = 123,805,462.20/12,670.83
6. Step 6: Final answer
   x = 9,770.90