Finding the Fourth Proportional to 34,858.83, 52,290.27 and 12,672.12

Step by Step Solution

1. Step 1: Write the proportion equation
   34,858.83 : 52,290.27 = 12,672.12 : x
2. Step 2: Convert to fraction form
   34,858.83/52,290.27 = 12,672.12/x
3. Step 3: Cross multiply
   34,858.83x = 52,290.27 × 12,672.12
4. Step 4: Simplify right side
   34,858.83x = 662,628,576.27
5. Step 5: Solve for x
   x = 662,628,576.27/34,858.83
6. Step 6: Final answer
   x = 19,008.92