Finding the Fourth Proportional to 62,326.21, 86,034 and 42,286.81

Step by Step Solution

1. Step 1: Write the proportion equation
   62,326.21 : 86,034 = 42,286.81 : x
2. Step 2: Convert to fraction form
   62,326.21/86,034 = 42,286.81/x
3. Step 3: Cross multiply
   62,326.21x = 86,034 × 42,286.81
4. Step 4: Simplify right side
   62,326.21x = 3,638,103,411.54
5. Step 5: Solve for x
   x = 3,638,103,411.54/62,326.21
6. Step 6: Final answer
   x = 58,371.97