Finding the Fourth Proportional to 34,499.61, 51,718.24 and 12,307.71

Step by Step Solution

1. Step 1: Write the proportion equation
   34,499.61 : 51,718.24 = 12,307.71 : x
2. Step 2: Convert to fraction form
   34,499.61/51,718.24 = 12,307.71/x
3. Step 3: Cross multiply
   34,499.61x = 51,718.24 × 12,307.71
4. Step 4: Simplify right side
   34,499.61x = 636,533,099.63
5. Step 5: Solve for x
   x = 636,533,099.63/34,499.61
6. Step 6: Final answer
   x = 18,450.44