Finding the Fourth Proportional to 42,138.98, 58,152.00 and 23,019.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,138.98 : 58,152.00 = 23,019.02 : x
2. Step 2: Convert to fraction form
   42,138.98/58,152.00 = 23,019.02/x
3. Step 3: Cross multiply
   42,138.98x = 58,152.00 × 23,019.02
4. Step 4: Simplify right side
   42,138.98x = 1,338,602,262.29
5. Step 5: Solve for x
   x = 1,338,602,262.29/42,138.98
6. Step 6: Final answer
   x = 31,766.36