Finding the Fourth Proportional to 59,913.27, 89,857.60 and 28,309.91

Step by Step Solution

1. Step 1: Write the proportion equation
   59,913.27 : 89,857.60 = 28,309.91 : x
2. Step 2: Convert to fraction form
   59,913.27/89,857.60 = 28,309.91/x
3. Step 3: Cross multiply
   59,913.27x = 89,857.60 × 28,309.91
4. Step 4: Simplify right side
   59,913.27x = 2,543,860,208.00
5. Step 5: Solve for x
   x = 2,543,860,208.00/59,913.27
6. Step 6: Final answer
   x = 42,459.04