Finding the Fourth Proportional to 49,664.02, 68,538.81 and 30,807.22

Step by Step Solution

1. Step 1: Write the proportion equation
   49,664.02 : 68,538.81 = 30,807.22 : x
2. Step 2: Convert to fraction form
   49,664.02/68,538.81 = 30,807.22/x
3. Step 3: Cross multiply
   49,664.02x = 68,538.81 × 30,807.22
4. Step 4: Simplify right side
   49,664.02x = 2,111,490,198.21
5. Step 5: Solve for x
   x = 2,111,490,198.21/49,664.02
6. Step 6: Final answer
   x = 42,515.49