Finding the Fourth Proportional to 42,532.64, 58,684.56 and 27,620

Step by Step Solution

1. Step 1: Write the proportion equation
   42,532.64 : 58,684.56 = 27,620 : x
2. Step 2: Convert to fraction form
   42,532.64/58,684.56 = 27,620/x
3. Step 3: Cross multiply
   42,532.64x = 58,684.56 × 27,620
4. Step 4: Simplify right side
   42,532.64x = 1,620,867,547.20
5. Step 5: Solve for x
   x = 1,620,867,547.20/42,532.64
6. Step 6: Final answer
   x = 38,108.79