Finding the Fourth Proportional to 70,549.38, 105,858.66 and 33,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,549.38 : 105,858.66 = 33,112.50 : x
2. Step 2: Convert to fraction form
   70,549.38/105,858.66 = 33,112.50/x
3. Step 3: Cross multiply
   70,549.38x = 105,858.66 × 33,112.50
4. Step 4: Simplify right side
   70,549.38x = 3,505,244,606.45
5. Step 5: Solve for x
   x = 3,505,244,606.45/70,549.38
6. Step 6: Final answer
   x = 49,684.98