Finding the Fourth Proportional to 34,774.56, 52,116.48 and 13,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,774.56 : 52,116.48 = 13,986.72 : x
2. Step 2: Convert to fraction form
   34,774.56/52,116.48 = 13,986.72/x
3. Step 3: Cross multiply
   34,774.56x = 52,116.48 × 13,986.72
4. Step 4: Simplify right side
   34,774.56x = 728,938,613.15
5. Step 5: Solve for x
   x = 728,938,613.15/34,774.56
6. Step 6: Final answer
   x = 20,961.84