Finding the Fourth Proportional to 42,394.41, 63,637.61 and 31,894.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,394.41 : 63,637.61 = 31,894.38 : x
2. Step 2: Convert to fraction form
   42,394.41/63,637.61 = 31,894.38/x
3. Step 3: Cross multiply
   42,394.41x = 63,637.61 × 31,894.38
4. Step 4: Simplify right side
   42,394.41x = 2,029,681,956.16
5. Step 5: Solve for x
   x = 2,029,681,956.16/42,394.41
6. Step 6: Final answer
   x = 47,876.17