Finding the Fourth Proportional to 13,714.32, 18,925.86 and 7,426.70

Step by Step Solution

1. Step 1: Write the proportion equation
   13,714.32 : 18,925.86 = 7,426.70 : x
2. Step 2: Convert to fraction form
   13,714.32/18,925.86 = 7,426.70/x
3. Step 3: Cross multiply
   13,714.32x = 18,925.86 × 7,426.70
4. Step 4: Simplify right side
   13,714.32x = 140,556,684.46
5. Step 5: Solve for x
   x = 140,556,684.46/13,714.32
6. Step 6: Final answer
   x = 10,248.90