Finding the Fourth Proportional to 42,289.75, 58,359.86 and 23,428.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,289.75 : 58,359.86 = 23,428.09 : x
2. Step 2: Convert to fraction form
   42,289.75/58,359.86 = 23,428.09/x
3. Step 3: Cross multiply
   42,289.75x = 58,359.86 × 23,428.09
4. Step 4: Simplify right side
   42,289.75x = 1,367,260,052.47
5. Step 5: Solve for x
   x = 1,367,260,052.47/42,289.75
6. Step 6: Final answer
   x = 32,330.77