Finding the Fourth Proportional to 42,758.40, 59,005.24 and 30,030.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,758.40 : 59,005.24 = 30,030.08 : x
2. Step 2: Convert to fraction form
   42,758.40/59,005.24 = 30,030.08/x
3. Step 3: Cross multiply
   42,758.40x = 59,005.24 × 30,030.08
4. Step 4: Simplify right side
   42,758.40x = 1,771,932,077.62
5. Step 5: Solve for x
   x = 1,771,932,077.62/42,758.40
6. Step 6: Final answer
   x = 41,440.56