Finding the Fourth Proportional to 127,921.77, 191,843.72 and 53,024.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,921.77 : 191,843.72 = 53,024.31 : x
2. Step 2: Convert to fraction form
   127,921.77/191,843.72 = 53,024.31/x
3. Step 3: Cross multiply
   127,921.77x = 191,843.72 × 53,024.31
4. Step 4: Simplify right side
   127,921.77x = 10,172,380,880.83
5. Step 5: Solve for x
   x = 10,172,380,880.83/127,921.77
6. Step 6: Final answer
   x = 79,520.33