Finding the Fourth Proportional to 12,705.43, 19,052.13 and 4,697.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.43 : 19,052.13 = 4,697.60 : x
2. Step 2: Convert to fraction form
   12,705.43/19,052.13 = 4,697.60/x
3. Step 3: Cross multiply
   12,705.43x = 19,052.13 × 4,697.60
4. Step 4: Simplify right side
   12,705.43x = 89,499,167.14
5. Step 5: Solve for x
   x = 89,499,167.14/12,705.43
6. Step 6: Final answer
   x = 7,044.17