Finding the Fourth Proportional to 42,681.40, 58,899.42 and 23,818.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,681.40 : 58,899.42 = 23,818.12 : x
2. Step 2: Convert to fraction form
   42,681.40/58,899.42 = 23,818.12/x
3. Step 3: Cross multiply
   42,681.40x = 58,899.42 × 23,818.12
4. Step 4: Simplify right side
   42,681.40x = 1,402,873,453.49
5. Step 5: Solve for x
   x = 1,402,873,453.49/42,681.40
6. Step 6: Final answer
   x = 32,868.50