Finding the Fourth Proportional to 127,603.88, 191,264.84 and 52,682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,603.88 : 191,264.84 = 52,682.72 : x
2. Step 2: Convert to fraction form
   127,603.88/191,264.84 = 52,682.72/x
3. Step 3: Cross multiply
   127,603.88x = 191,264.84 × 52,682.72
4. Step 4: Simplify right side
   127,603.88x = 10,076,352,011.56
5. Step 5: Solve for x
   x = 10,076,352,011.56/127,603.88
6. Step 6: Final answer
   x = 78,965.87