Finding the Fourth Proportional to 56,535.56, 78,021.78 and 32,665.40

Step by Step Solution

1. Step 1: Write the proportion equation
   56,535.56 : 78,021.78 = 32,665.40 : x
2. Step 2: Convert to fraction form
   56,535.56/78,021.78 = 32,665.40/x
3. Step 3: Cross multiply
   56,535.56x = 78,021.78 × 32,665.40
4. Step 4: Simplify right side
   56,535.56x = 2,548,612,652.41
5. Step 5: Solve for x
   x = 2,548,612,652.41/56,535.56
6. Step 6: Final answer
   x = 45,079.82