Finding the Fourth Proportional to 42,690.47, 58,907.42 and 23,828.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,690.47 : 58,907.42 = 23,828.39 : x
2. Step 2: Convert to fraction form
   42,690.47/58,907.42 = 23,828.39/x
3. Step 3: Cross multiply
   42,690.47x = 58,907.42 × 23,828.39
4. Step 4: Simplify right side
   42,690.47x = 1,403,668,858.51
5. Step 5: Solve for x
   x = 1,403,668,858.51/42,690.47
6. Step 6: Final answer
   x = 32,880.15