Finding the Fourth Proportional to 175,947.50, 263,939.69 and 57,628.05

Step by Step Solution

1. Step 1: Write the proportion equation
   175,947.50 : 263,939.69 = 57,628.05 : x
2. Step 2: Convert to fraction form
   175,947.50/263,939.69 = 57,628.05/x
3. Step 3: Cross multiply
   175,947.50x = 263,939.69 × 57,628.05
4. Step 4: Simplify right side
   175,947.50x = 15,210,329,364.16
5. Step 5: Solve for x
   x = 15,210,329,364.16/175,947.50
6. Step 6: Final answer
   x = 86,448.12