Finding the Fourth Proportional to 62,322.21, 86,028.48 and 42,282.81

Step by Step Solution

1. Step 1: Write the proportion equation
   62,322.21 : 86,028.48 = 42,282.81 : x
2. Step 2: Convert to fraction form
   62,322.21/86,028.48 = 42,282.81/x
3. Step 3: Cross multiply
   62,322.21x = 86,028.48 × 42,282.81
4. Step 4: Simplify right side
   62,322.21x = 3,637,525,874.43
5. Step 5: Solve for x
   x = 3,637,525,874.43/62,322.21
6. Step 6: Final answer
   x = 58,366.45