Finding the Fourth Proportional to 109,871.04, 151,628.04 and 62,128.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,871.04 : 151,628.04 = 62,128.56 : x
2. Step 2: Convert to fraction form
   109,871.04/151,628.04 = 62,128.56/x
3. Step 3: Cross multiply
   109,871.04x = 151,628.04 × 62,128.56
4. Step 4: Simplify right side
   109,871.04x = 9,420,431,780.82
5. Step 5: Solve for x
   x = 9,420,431,780.82/109,871.04
6. Step 6: Final answer
   x = 85,740.81