Finding the Fourth Proportional to 12,947.71, 19,416.76 and 4,625.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,947.71 : 19,416.76 = 4,625.50 : x
2. Step 2: Convert to fraction form
   12,947.71/19,416.76 = 4,625.50/x
3. Step 3: Cross multiply
   12,947.71x = 19,416.76 × 4,625.50
4. Step 4: Simplify right side
   12,947.71x = 89,812,223.38
5. Step 5: Solve for x
   x = 89,812,223.38/12,947.71
6. Step 6: Final answer
   x = 6,936.53