Finding the Fourth Proportional to 52,989.86, 79,410.98 and 39,826.89

Step by Step Solution

1. Step 1: Write the proportion equation
   52,989.86 : 79,410.98 = 39,826.89 : x
2. Step 2: Convert to fraction form
   52,989.86/79,410.98 = 39,826.89/x
3. Step 3: Cross multiply
   52,989.86x = 79,410.98 × 39,826.89
4. Step 4: Simplify right side
   52,989.86x = 3,162,692,464.82
5. Step 5: Solve for x
   x = 3,162,692,464.82/52,989.86
6. Step 6: Final answer
   x = 59,684.86