Finding the Fourth Proportional to 31,552.01, 43,453.17 and 30,863.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,552.01 : 43,453.17 = 30,863.10 : x
2. Step 2: Convert to fraction form
   31,552.01/43,453.17 = 30,863.10/x
3. Step 3: Cross multiply
   31,552.01x = 43,453.17 × 30,863.10
4. Step 4: Simplify right side
   31,552.01x = 1,341,099,531.03
5. Step 5: Solve for x
   x = 1,341,099,531.03/31,552.01
6. Step 6: Final answer
   x = 42,504.42