Finding the Fourth Proportional to 28,076.52, 42,124.50 and 18,753.96

Step by Step Solution

1. Step 1: Write the proportion equation
   28,076.52 : 42,124.50 = 18,753.96 : x
2. Step 2: Convert to fraction form
   28,076.52/42,124.50 = 18,753.96/x
3. Step 3: Cross multiply
   28,076.52x = 42,124.50 × 18,753.96
4. Step 4: Simplify right side
   28,076.52x = 790,001,188.02
5. Step 5: Solve for x
   x = 790,001,188.02/28,076.52
6. Step 6: Final answer
   x = 28,137.43