Finding the Fourth Proportional to 30,499.57, 42,284.15 and 29,417.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499.57 : 42,284.15 = 29,417.02 : x
2. Step 2: Convert to fraction form
   30,499.57/42,284.15 = 29,417.02/x
3. Step 3: Cross multiply
   30,499.57x = 42,284.15 × 29,417.02
4. Step 4: Simplify right side
   30,499.57x = 1,243,873,686.23
5. Step 5: Solve for x
   x = 1,243,873,686.23/30,499.57
6. Step 6: Final answer
   x = 40,783.32