Finding the Fourth Proportional to 127,984.32, 191,894.24 and 53,156.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127,984.32 : 191,894.24 = 53,156.06 : x
2. Step 2: Convert to fraction form
   127,984.32/191,894.24 = 53,156.06/x
3. Step 3: Cross multiply
   127,984.32x = 191,894.24 × 53,156.06
4. Step 4: Simplify right side
   127,984.32x = 10,200,341,735.09
5. Step 5: Solve for x
   x = 10,200,341,735.09/127,984.32
6. Step 6: Final answer
   x = 79,699.93