Finding the Fourth Proportional to 42,520.26, 63,758.52 and 19,133.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,520.26 : 63,758.52 = 19,133.94 : x
2. Step 2: Convert to fraction form
   42,520.26/63,758.52 = 19,133.94/x
3. Step 3: Cross multiply
   42,520.26x = 63,758.52 × 19,133.94
4. Step 4: Simplify right side
   42,520.26x = 1,219,951,600.50
5. Step 5: Solve for x
   x = 1,219,951,600.50/42,520.26
6. Step 6: Final answer
   x = 28,691.07