Finding the Fourth Proportional to 143,947.06, 215,477.71 and 93,919.43

Step by Step Solution

1. Step 1: Write the proportion equation
   143,947.06 : 215,477.71 = 93,919.43 : x
2. Step 2: Convert to fraction form
   143,947.06/215,477.71 = 93,919.43/x
3. Step 3: Cross multiply
   143,947.06x = 215,477.71 × 93,919.43
4. Step 4: Simplify right side
   143,947.06x = 20,237,543,231.31
5. Step 5: Solve for x
   x = 20,237,543,231.31/143,947.06
6. Step 6: Final answer
   x = 140,590.19