Finding the Fourth Proportional to 20,706.16, 31,063.76 and 5,914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   20,706.16 : 31,063.76 = 5,914.72 : x
2. Step 2: Convert to fraction form
   20,706.16/31,063.76 = 5,914.72/x
3. Step 3: Cross multiply
   20,706.16x = 31,063.76 × 5,914.72
4. Step 4: Simplify right side
   20,706.16x = 183,733,442.55
5. Step 5: Solve for x
   x = 183,733,442.55/20,706.16
6. Step 6: Final answer
   x = 8,873.37