Finding the Fourth Proportional to 42,499.06, 63,748.50 and 20,244.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,499.06 : 63,748.50 = 20,244.94 : x
2. Step 2: Convert to fraction form
   42,499.06/63,748.50 = 20,244.94/x
3. Step 3: Cross multiply
   42,499.06x = 63,748.50 × 20,244.94
4. Step 4: Simplify right side
   42,499.06x = 1,290,584,557.59
5. Step 5: Solve for x
   x = 1,290,584,557.59/42,499.06
6. Step 6: Final answer
   x = 30,367.37