Finding the Fourth Proportional to 42,631.71, 63,870.93 and 25,091.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,631.71 : 63,870.93 = 25,091.97 : x
2. Step 2: Convert to fraction form
   42,631.71/63,870.93 = 25,091.97/x
3. Step 3: Cross multiply
   42,631.71x = 63,870.93 × 25,091.97
4. Step 4: Simplify right side
   42,631.71x = 1,602,647,459.43
5. Step 5: Solve for x
   x = 1,602,647,459.43/42,631.71
6. Step 6: Final answer
   x = 37,592.85