Finding the Fourth Proportional to 12,710.61, 19,066.03 and 5,218.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,710.61 : 19,066.03 = 5,218.29 : x
2. Step 2: Convert to fraction form
   12,710.61/19,066.03 = 5,218.29/x
3. Step 3: Cross multiply
   12,710.61x = 19,066.03 × 5,218.29
4. Step 4: Simplify right side
   12,710.61x = 99,492,060.64
5. Step 5: Solve for x
   x = 99,492,060.64/12,710.61
6. Step 6: Final answer
   x = 7,827.48