Finding the Fourth Proportional to 134,081.15, 201,056.72 and 77,937.42

Step by Step Solution

1. Step 1: Write the proportion equation
   134,081.15 : 201,056.72 = 77,937.42 : x
2. Step 2: Convert to fraction form
   134,081.15/201,056.72 = 77,937.42/x
3. Step 3: Cross multiply
   134,081.15x = 201,056.72 × 77,937.42
4. Step 4: Simplify right side
   134,081.15x = 15,669,841,640.78
5. Step 5: Solve for x
   x = 15,669,841,640.78/134,081.15
6. Step 6: Final answer
   x = 116,868.35