Finding the Fourth Proportional to 100,859.02, 151,289.34 and 34,314.28

Step by Step Solution

1. Step 1: Write the proportion equation
   100,859.02 : 151,289.34 = 34,314.28 : x
2. Step 2: Convert to fraction form
   100,859.02/151,289.34 = 34,314.28/x
3. Step 3: Cross multiply
   100,859.02x = 151,289.34 × 34,314.28
4. Step 4: Simplify right side
   100,859.02x = 5,191,384,773.78
5. Step 5: Solve for x
   x = 5,191,384,773.78/100,859.02
6. Step 6: Final answer
   x = 51,471.70