Finding the Fourth Proportional to 109,776.16, 151,483.16 and 64,456

Step by Step Solution

1. Step 1: Write the proportion equation
   109,776.16 : 151,483.16 = 64,456 : x
2. Step 2: Convert to fraction form
   109,776.16/151,483.16 = 64,456/x
3. Step 3: Cross multiply
   109,776.16x = 151,483.16 × 64,456
4. Step 4: Simplify right side
   109,776.16x = 9,763,998,560.96
5. Step 5: Solve for x
   x = 9,763,998,560.96/109,776.16
6. Step 6: Final answer
   x = 88,944.62