Finding the Fourth Proportional to 118,017, 176,896.71 and 58,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,017 : 176,896.71 = 58,086.72 : x
2. Step 2: Convert to fraction form
   118,017/176,896.71 = 58,086.72/x
3. Step 3: Cross multiply
   118,017x = 176,896.71 × 58,086.72
4. Step 4: Simplify right side
   118,017x = 10,275,349,662.69
5. Step 5: Solve for x
   x = 10,275,349,662.69/118,017
6. Step 6: Final answer
   x = 87,066.69