Finding the Fourth Proportional to 42,402.90, 58,511.79 and 23,538

Step by Step Solution

1. Step 1: Write the proportion equation
   42,402.90 : 58,511.79 = 23,538 : x
2. Step 2: Convert to fraction form
   42,402.90/58,511.79 = 23,538/x
3. Step 3: Cross multiply
   42,402.90x = 58,511.79 × 23,538
4. Step 4: Simplify right side
   42,402.90x = 1,377,250,513.02
5. Step 5: Solve for x
   x = 1,377,250,513.02/42,402.90
6. Step 6: Final answer
   x = 32,480.10