Finding the Fourth Proportional to 130,086.72, 194,978.04 and 55,181.52

Step by Step Solution

1. Step 1: Write the proportion equation
   130,086.72 : 194,978.04 = 55,181.52 : x
2. Step 2: Convert to fraction form
   130,086.72/194,978.04 = 55,181.52/x
3. Step 3: Cross multiply
   130,086.72x = 194,978.04 × 55,181.52
4. Step 4: Simplify right side
   130,086.72x = 10,759,184,613.82
5. Step 5: Solve for x
   x = 10,759,184,613.82/130,086.72
6. Step 6: Final answer
   x = 82,707.79