Finding the Fourth Proportional to 42,978.26, 59,310.09 and 23,858.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,978.26 : 59,310.09 = 23,858.31 : x
2. Step 2: Convert to fraction form
   42,978.26/59,310.09 = 23,858.31/x
3. Step 3: Cross multiply
   42,978.26x = 59,310.09 × 23,858.31
4. Step 4: Simplify right side
   42,978.26x = 1,415,038,513.35
5. Step 5: Solve for x
   x = 1,415,038,513.35/42,978.26
6. Step 6: Final answer
   x = 32,924.52