Finding the Fourth Proportional to 42,476.54, 58,620.51 and 28,111.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,476.54 : 58,620.51 = 28,111.59 : x
2. Step 2: Convert to fraction form
   42,476.54/58,620.51 = 28,111.59/x
3. Step 3: Cross multiply
   42,476.54x = 58,620.51 × 28,111.59
4. Step 4: Simplify right side
   42,476.54x = 1,647,915,742.71
5. Step 5: Solve for x
   x = 1,647,915,742.71/42,476.54
6. Step 6: Final answer
   x = 38,795.91