Finding the Fourth Proportional to 59,556.50, 88,906.35 and 51,031.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,556.50 : 88,906.35 = 51,031.20 : x
2. Step 2: Convert to fraction form
   59,556.50/88,906.35 = 51,031.20/x
3. Step 3: Cross multiply
   59,556.50x = 88,906.35 × 51,031.20
4. Step 4: Simplify right side
   59,556.50x = 4,536,997,028.43
5. Step 5: Solve for x
   x = 4,536,997,028.43/59,556.50
6. Step 6: Final answer
   x = 76,179.72