Finding the Fourth Proportional to 28,076.95, 38,714.72 and 19,129.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,076.95 : 38,714.72 = 19,129.69 : x
2. Step 2: Convert to fraction form
   28,076.95/38,714.72 = 19,129.69/x
3. Step 3: Cross multiply
   28,076.95x = 38,714.72 × 19,129.69
4. Step 4: Simplify right side
   28,076.95x = 740,600,592.04
5. Step 5: Solve for x
   x = 740,600,592.04/28,076.95
6. Step 6: Final answer
   x = 26,377.53