Finding the Fourth Proportional to 42,022.93, 57,990.86 and 22,902.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.93 : 57,990.86 = 22,902.86 : x
2. Step 2: Convert to fraction form
   42,022.93/57,990.86 = 22,902.86/x
3. Step 3: Cross multiply
   42,022.93x = 57,990.86 × 22,902.86
4. Step 4: Simplify right side
   42,022.93x = 1,328,156,547.86
5. Step 5: Solve for x
   x = 1,328,156,547.86/42,022.93
6. Step 6: Final answer
   x = 31,605.52