Finding the Fourth Proportional to 52,688.15, 79,087.92 and 51,498.28

Step by Step Solution

1. Step 1: Write the proportion equation
   52,688.15 : 79,087.92 = 51,498.28 : x
2. Step 2: Convert to fraction form
   52,688.15/79,087.92 = 51,498.28/x
3. Step 3: Cross multiply
   52,688.15x = 79,087.92 × 51,498.28
4. Step 4: Simplify right side
   52,688.15x = 4,072,892,046.50
5. Step 5: Solve for x
   x = 4,072,892,046.50/52,688.15
6. Step 6: Final answer
   x = 77,301.86