Finding the Fourth Proportional to 42,108.96, 58,109.50 and 22,989.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.96 : 58,109.50 = 22,989.12 : x
2. Step 2: Convert to fraction form
   42,108.96/58,109.50 = 22,989.12/x
3. Step 3: Cross multiply
   42,108.96x = 58,109.50 × 22,989.12
4. Step 4: Simplify right side
   42,108.96x = 1,335,886,079.47
5. Step 5: Solve for x
   x = 1,335,886,079.47/42,108.96
6. Step 6: Final answer
   x = 31,724.51