Finding the Fourth Proportional to 42,073.91, 63,114.35 and 30,282.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,073.91 : 63,114.35 = 30,282.57 : x
2. Step 2: Convert to fraction form
   42,073.91/63,114.35 = 30,282.57/x
3. Step 3: Cross multiply
   42,073.91x = 63,114.35 × 30,282.57
4. Step 4: Simplify right side
   42,073.91x = 1,911,264,570.47
5. Step 5: Solve for x
   x = 1,911,264,570.47/42,073.91
6. Step 6: Final answer
   x = 45,426.36