Finding the Fourth Proportional to 34,749.57, 52,104.61 and 13,678.19

Step by Step Solution

1. Step 1: Write the proportion equation
   34,749.57 : 52,104.61 = 13,678.19 : x
2. Step 2: Convert to fraction form
   34,749.57/52,104.61 = 13,678.19/x
3. Step 3: Cross multiply
   34,749.57x = 52,104.61 × 13,678.19
4. Step 4: Simplify right side
   34,749.57x = 712,696,885.72
5. Step 5: Solve for x
   x = 712,696,885.72/34,749.57
6. Step 6: Final answer
   x = 20,509.52