Finding the Fourth Proportional to 52,061.81, 71,845.99 and 31,638.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,061.81 : 71,845.99 = 31,638.06 : x
2. Step 2: Convert to fraction form
   52,061.81/71,845.99 = 31,638.06/x
3. Step 3: Cross multiply
   52,061.81x = 71,845.99 × 31,638.06
4. Step 4: Simplify right side
   52,061.81x = 2,273,067,663.28
5. Step 5: Solve for x
   x = 2,273,067,663.28/52,061.81
6. Step 6: Final answer
   x = 43,660.95