Finding the Fourth Proportional to 12,942.89, 19,410.59 and 5,043.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942.89 : 19,410.59 = 5,043.65 : x
2. Step 2: Convert to fraction form
   12,942.89/19,410.59 = 5,043.65/x
3. Step 3: Cross multiply
   12,942.89x = 19,410.59 × 5,043.65
4. Step 4: Simplify right side
   12,942.89x = 97,900,099.98
5. Step 5: Solve for x
   x = 97,900,099.98/12,942.89
6. Step 6: Final answer
   x = 7,564.00