Finding the Fourth Proportional to 42,612.84, 58,912.01 and 31,984.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,612.84 : 58,912.01 = 31,984.02 : x
2. Step 2: Convert to fraction form
   42,612.84/58,912.01 = 31,984.02/x
3. Step 3: Cross multiply
   42,612.84x = 58,912.01 × 31,984.02
4. Step 4: Simplify right side
   42,612.84x = 1,884,242,746.16
5. Step 5: Solve for x
   x = 1,884,242,746.16/42,612.84
6. Step 6: Final answer
   x = 44,217.72