Finding the Fourth Proportional to 215,947.30, 297,993.72 and 119,152.30

Step by Step Solution

1. Step 1: Write the proportion equation
   215,947.30 : 297,993.72 = 119,152.30 : x
2. Step 2: Convert to fraction form
   215,947.30/297,993.72 = 119,152.30/x
3. Step 3: Cross multiply
   215,947.30x = 297,993.72 × 119,152.30
4. Step 4: Simplify right side
   215,947.30x = 35,506,637,123.56
5. Step 5: Solve for x
   x = 35,506,637,123.56/215,947.30
6. Step 6: Final answer
   x = 164,422.70