Finding the Fourth Proportional to 42,191.28, 58,230 and 26,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,191.28 : 58,230 = 26,280.72 : x
2. Step 2: Convert to fraction form
   42,191.28/58,230 = 26,280.72/x
3. Step 3: Cross multiply
   42,191.28x = 58,230 × 26,280.72
4. Step 4: Simplify right side
   42,191.28x = 1,530,326,325.60
5. Step 5: Solve for x
   x = 1,530,326,325.60/42,191.28
6. Step 6: Final answer
   x = 36,271.15