Finding the Fourth Proportional to 127,994.72, 191,910.02 and 53,166.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,994.72 : 191,910.02 = 53,166.50 : x
2. Step 2: Convert to fraction form
   127,994.72/191,910.02 = 53,166.50/x
3. Step 3: Cross multiply
   127,994.72x = 191,910.02 × 53,166.50
4. Step 4: Simplify right side
   127,994.72x = 10,203,184,078.33
5. Step 5: Solve for x
   x = 10,203,184,078.33/127,994.72
6. Step 6: Final answer
   x = 79,715.66