Finding the Fourth Proportional to 127,800.51, 191,570.88 and 52,961.37

Step by Step Solution

1. Step 1: Write the proportion equation
   127,800.51 : 191,570.88 = 52,961.37 : x
2. Step 2: Convert to fraction form
   127,800.51/191,570.88 = 52,961.37/x
3. Step 3: Cross multiply
   127,800.51x = 191,570.88 × 52,961.37
4. Step 4: Simplify right side
   127,800.51x = 10,145,856,256.91
5. Step 5: Solve for x
   x = 10,145,856,256.91/127,800.51
6. Step 6: Final answer
   x = 79,388.23