Finding the Fourth Proportional to 253,630.32, 380,585.49 and 141,373.72

Step by Step Solution

1. Step 1: Write the proportion equation
   253,630.32 : 380,585.49 = 141,373.72 : x
2. Step 2: Convert to fraction form
   253,630.32/380,585.49 = 141,373.72/x
3. Step 3: Cross multiply
   253,630.32x = 380,585.49 × 141,373.72
4. Step 4: Simplify right side
   253,630.32x = 53,804,786,499.32
5. Step 5: Solve for x
   x = 53,804,786,499.32/253,630.32
6. Step 6: Final answer
   x = 212,138.62