Finding the Fourth Proportional to 42,376.28, 58,479.30 and 23,513.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,376.28 : 58,479.30 = 23,513.40 : x
2. Step 2: Convert to fraction form
   42,376.28/58,479.30 = 23,513.40/x
3. Step 3: Cross multiply
   42,376.28x = 58,479.30 × 23,513.40
4. Step 4: Simplify right side
   42,376.28x = 1,375,047,172.62
5. Step 5: Solve for x
   x = 1,375,047,172.62/42,376.28
6. Step 6: Final answer
   x = 32,448.51