Finding the Fourth Proportional to 14,758.09, 20,373.55 and 9,385.93

Step by Step Solution

1. Step 1: Write the proportion equation
   14,758.09 : 20,373.55 = 9,385.93 : x
2. Step 2: Convert to fraction form
   14,758.09/20,373.55 = 9,385.93/x
3. Step 3: Cross multiply
   14,758.09x = 20,373.55 × 9,385.93
4. Step 4: Simplify right side
   14,758.09x = 191,224,714.15
5. Step 5: Solve for x
   x = 191,224,714.15/14,758.09
6. Step 6: Final answer
   x = 12,957.28