Finding the Fourth Proportional to 109,647.12, 151,314.31 and 64,325.89

Step by Step Solution

1. Step 1: Write the proportion equation
   109,647.12 : 151,314.31 = 64,325.89 : x
2. Step 2: Convert to fraction form
   109,647.12/151,314.31 = 64,325.89/x
3. Step 3: Cross multiply
   109,647.12x = 151,314.31 × 64,325.89
4. Step 4: Simplify right side
   109,647.12x = 9,733,427,660.49
5. Step 5: Solve for x
   x = 9,733,427,660.49/109,647.12
6. Step 6: Final answer
   x = 88,770.48