Finding the Fourth Proportional to 12,705.86, 17,534.70 and 7,670.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.86 : 17,534.70 = 7,670.00 : x
2. Step 2: Convert to fraction form
   12,705.86/17,534.70 = 7,670.00/x
3. Step 3: Cross multiply
   12,705.86x = 17,534.70 × 7,670.00
4. Step 4: Simplify right side
   12,705.86x = 134,491,061.33
5. Step 5: Solve for x
   x = 134,491,061.33/12,705.86
6. Step 6: Final answer
   x = 10,584.97