Finding the Fourth Proportional to 42,478.35, 58,595.90 and 26,338.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,478.35 : 58,595.90 = 26,338.29 : x
2. Step 2: Convert to fraction form
   42,478.35/58,595.90 = 26,338.29/x
3. Step 3: Cross multiply
   42,478.35x = 58,595.90 × 26,338.29
4. Step 4: Simplify right side
   42,478.35x = 1,543,315,807.01
5. Step 5: Solve for x
   x = 1,543,315,807.01/42,478.35
6. Step 6: Final answer
   x = 36,331.82