Finding the Fourth Proportional to 42,640.34, 58,530.57 and 37,819.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,640.34 : 58,530.57 = 37,819.22 : x
2. Step 2: Convert to fraction form
   42,640.34/58,530.57 = 37,819.22/x
3. Step 3: Cross multiply
   42,640.34x = 58,530.57 × 37,819.22
4. Step 4: Simplify right side
   42,640.34x = 2,213,580,314.46
5. Step 5: Solve for x
   x = 2,213,580,314.46/42,640.34
6. Step 6: Final answer
   x = 51,912.82