Finding the Fourth Proportional to 62,434.71, 86,183.73 and 42,395.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,434.71 : 86,183.73 = 42,395.31 : x
2. Step 2: Convert to fraction form
   62,434.71/86,183.73 = 42,395.31/x
3. Step 3: Cross multiply
   62,434.71x = 86,183.73 × 42,395.31
4. Step 4: Simplify right side
   62,434.71x = 3,653,785,950.31
5. Step 5: Solve for x
   x = 3,653,785,950.31/62,434.71
6. Step 6: Final answer
   x = 58,521.71