Finding the Fourth Proportional to 70,633.51, 105,825.72 and 37,280.09

Step by Step Solution

1. Step 1: Write the proportion equation
   70,633.51 : 105,825.72 = 37,280.09 : x
2. Step 2: Convert to fraction form
   70,633.51/105,825.72 = 37,280.09/x
3. Step 3: Cross multiply
   70,633.51x = 105,825.72 × 37,280.09
4. Step 4: Simplify right side
   70,633.51x = 3,945,192,365.91
5. Step 5: Solve for x
   x = 3,945,192,365.91/70,633.51
6. Step 6: Final answer
   x = 55,854.40