Finding the Fourth Proportional to 42,473.52, 58,616.28 and 28,350

Step by Step Solution

1. Step 1: Write the proportion equation
   42,473.52 : 58,616.28 = 28,350 : x
2. Step 2: Convert to fraction form
   42,473.52/58,616.28 = 28,350/x
3. Step 3: Cross multiply
   42,473.52x = 58,616.28 × 28,350
4. Step 4: Simplify right side
   42,473.52x = 1,661,771,538
5. Step 5: Solve for x
   x = 1,661,771,538/42,473.52
6. Step 6: Final answer
   x = 39,124.88