Finding the Fourth Proportional to 34,751.52, 52,137 and 13,678.56

Step by Step Solution

1. Step 1: Write the proportion equation
   34,751.52 : 52,137 = 13,678.56 : x
2. Step 2: Convert to fraction form
   34,751.52/52,137 = 13,678.56/x
3. Step 3: Cross multiply
   34,751.52x = 52,137 × 13,678.56
4. Step 4: Simplify right side
   34,751.52x = 713,159,082.72
5. Step 5: Solve for x
   x = 713,159,082.72/34,751.52
6. Step 6: Final answer
   x = 20,521.67