Finding the Fourth Proportional to 56,164.50, 84,311.55 and 28,520.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,164.50 : 84,311.55 = 28,520.82 : x
2. Step 2: Convert to fraction form
   56,164.50/84,311.55 = 28,520.82/x
3. Step 3: Cross multiply
   56,164.50x = 84,311.55 × 28,520.82
4. Step 4: Simplify right side
   56,164.50x = 2,404,634,541.47
5. Step 5: Solve for x
   x = 2,404,634,541.47/56,164.50
6. Step 6: Final answer
   x = 42,814.14