Finding the Fourth Proportional to 64,056.72, 88,394.56 and 35,764.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,056.72 : 88,394.56 = 35,764.20 : x
2. Step 2: Convert to fraction form
   64,056.72/88,394.56 = 35,764.20/x
3. Step 3: Cross multiply
   64,056.72x = 88,394.56 × 35,764.20
4. Step 4: Simplify right side
   64,056.72x = 3,161,360,722.75
5. Step 5: Solve for x
   x = 3,161,360,722.75/64,056.72
6. Step 6: Final answer
   x = 49,352.52