Finding the Fourth Proportional to 101,796.52, 140,479.23 and 57,084.52

Step by Step Solution

1. Step 1: Write the proportion equation
   101,796.52 : 140,479.23 = 57,084.52 : x
2. Step 2: Convert to fraction form
   101,796.52/140,479.23 = 57,084.52/x
3. Step 3: Cross multiply
   101,796.52x = 140,479.23 × 57,084.52
4. Step 4: Simplify right side
   101,796.52x = 8,019,189,414.52
5. Step 5: Solve for x
   x = 8,019,189,414.52/101,796.52
6. Step 6: Final answer
   x = 78,776.66