Finding the Fourth Proportional to 42,317.78, 58,265.60 and 35,931.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,317.78 : 58,265.60 = 35,931.06 : x
2. Step 2: Convert to fraction form
   42,317.78/58,265.60 = 35,931.06/x
3. Step 3: Cross multiply
   42,317.78x = 58,265.60 × 35,931.06
4. Step 4: Simplify right side
   42,317.78x = 2,093,544,589.88
5. Step 5: Solve for x
   x = 2,093,544,589.88/42,317.78
6. Step 6: Final answer
   x = 49,471.99