Finding the Fourth Proportional to 100,791.76, 151,156.89 and 34,217.10

Step by Step Solution

1. Step 1: Write the proportion equation
   100,791.76 : 151,156.89 = 34,217.10 : x
2. Step 2: Convert to fraction form
   100,791.76/151,156.89 = 34,217.10/x
3. Step 3: Cross multiply
   100,791.76x = 151,156.89 × 34,217.10
4. Step 4: Simplify right side
   100,791.76x = 5,172,150,420.82
5. Step 5: Solve for x
   x = 5,172,150,420.82/100,791.76
6. Step 6: Final answer
   x = 51,315.21