Finding the Fourth Proportional to 52,819.88, 72,873.33 and 30,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,819.88 : 72,873.33 = 30,142.50 : x
2. Step 2: Convert to fraction form
   52,819.88/72,873.33 = 30,142.50/x
3. Step 3: Cross multiply
   52,819.88x = 72,873.33 × 30,142.50
4. Step 4: Simplify right side
   52,819.88x = 2,196,584,349.53
5. Step 5: Solve for x
   x = 2,196,584,349.53/52,819.88
6. Step 6: Final answer
   x = 41,586.32