Finding the Fourth Proportional to 42,614.16, 58,811.70 and 31,840.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,614.16 : 58,811.70 = 31,840.34 : x
2. Step 2: Convert to fraction form
   42,614.16/58,811.70 = 31,840.34/x
3. Step 3: Cross multiply
   42,614.16x = 58,811.70 × 31,840.34
4. Step 4: Simplify right side
   42,614.16x = 1,872,584,523.98
5. Step 5: Solve for x
   x = 1,872,584,523.98/42,614.16
6. Step 6: Final answer
   x = 43,942.78