Finding the Fourth Proportional to 101,300.12, 139,793.82 and 55,976.84

Step by Step Solution

1. Step 1: Write the proportion equation
   101,300.12 : 139,793.82 = 55,976.84 : x
2. Step 2: Convert to fraction form
   101,300.12/139,793.82 = 55,976.84/x
3. Step 3: Cross multiply
   101,300.12x = 139,793.82 × 55,976.84
4. Step 4: Simplify right side
   101,300.12x = 7,825,216,295.13
5. Step 5: Solve for x
   x = 7,825,216,295.13/101,300.12
6. Step 6: Final answer
   x = 77,247.85