Finding the Fourth Proportional to 61,297.56, 84,518.37 and 57,514.05

Step by Step Solution

1. Step 1: Write the proportion equation
   61,297.56 : 84,518.37 = 57,514.05 : x
2. Step 2: Convert to fraction form
   61,297.56/84,518.37 = 57,514.05/x
3. Step 3: Cross multiply
   61,297.56x = 84,518.37 × 57,514.05
4. Step 4: Simplify right side
   61,297.56x = 4,860,993,758.10
5. Step 5: Solve for x
   x = 4,860,993,758.10/61,297.56
6. Step 6: Final answer
   x = 79,301.59