Finding the Fourth Proportional to 42,618.95, 58,839.35 and 37,890.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,618.95 : 58,839.35 = 37,890.14 : x
2. Step 2: Convert to fraction form
   42,618.95/58,839.35 = 37,890.14/x
3. Step 3: Cross multiply
   42,618.95x = 58,839.35 × 37,890.14
4. Step 4: Simplify right side
   42,618.95x = 2,229,431,162.90
5. Step 5: Solve for x
   x = 2,229,431,162.90/42,618.95
6. Step 6: Final answer
   x = 52,310.80