Finding the Fourth Proportional to 146,775.42, 220,093.72 and 56,860.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146,775.42 : 220,093.72 = 56,860.25 : x
2. Step 2: Convert to fraction form
   146,775.42/220,093.72 = 56,860.25/x
3. Step 3: Cross multiply
   146,775.42x = 220,093.72 × 56,860.25
4. Step 4: Simplify right side
   146,775.42x = 12,514,582,700.01
5. Step 5: Solve for x
   x = 12,514,582,700.01/146,775.42
6. Step 6: Final answer
   x = 85,263.48