Finding the Fourth Proportional to 70,651.52, 105,886.96 and 33,128.81

Step by Step Solution

1. Step 1: Write the proportion equation
   70,651.52 : 105,886.96 = 33,128.81 : x
2. Step 2: Convert to fraction form
   70,651.52/105,886.96 = 33,128.81/x
3. Step 3: Cross multiply
   70,651.52x = 105,886.96 × 33,128.81
4. Step 4: Simplify right side
   70,651.52x = 3,507,908,979.32
5. Step 5: Solve for x
   x = 3,507,908,979.32/70,651.52
6. Step 6: Final answer
   x = 49,650.86