Finding the Fourth Proportional to 62,998.38, 86,836.41 and 42,574.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,998.38 : 86,836.41 = 42,574.05 : x
2. Step 2: Convert to fraction form
   62,998.38/86,836.41 = 42,574.05/x
3. Step 3: Cross multiply
   62,998.38x = 86,836.41 × 42,574.05
4. Step 4: Simplify right side
   62,998.38x = 3,696,977,661.16
5. Step 5: Solve for x
   x = 3,696,977,661.16/62,998.38
6. Step 6: Final answer
   x = 58,683.69