Finding the Fourth Proportional to 42,502.79, 64,007.22 and 37,022.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,502.79 : 64,007.22 = 37,022.33 : x
2. Step 2: Convert to fraction form
   42,502.79/64,007.22 = 37,022.33/x
3. Step 3: Cross multiply
   42,502.79x = 64,007.22 × 37,022.33
4. Step 4: Simplify right side
   42,502.79x = 2,369,696,421.22
5. Step 5: Solve for x
   x = 2,369,696,421.22/42,502.79
6. Step 6: Final answer
   x = 55,753.90