Finding the Fourth Proportional to 42,343.56, 63,531.72 and 31,343.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,343.56 : 63,531.72 = 31,343.04 : x
2. Step 2: Convert to fraction form
   42,343.56/63,531.72 = 31,343.04/x
3. Step 3: Cross multiply
   42,343.56x = 63,531.72 × 31,343.04
4. Step 4: Simplify right side
   42,343.56x = 1,991,277,241.23
5. Step 5: Solve for x
   x = 1,991,277,241.23/42,343.56
6. Step 6: Final answer
   x = 47,026.68