Finding the Fourth Proportional to 72,664.30, 109,066.05 and 37,629.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,664.30 : 109,066.05 = 37,629.10 : x
2. Step 2: Convert to fraction form
   72,664.30/109,066.05 = 37,629.10/x
3. Step 3: Cross multiply
   72,664.30x = 109,066.05 × 37,629.10
4. Step 4: Simplify right side
   72,664.30x = 4,104,057,302.06
5. Step 5: Solve for x
   x = 4,104,057,302.06/72,664.30
6. Step 6: Final answer
   x = 56,479.69