Finding the Fourth Proportional to 101,162.50, 139,604.25 and 55,840.49

Step by Step Solution

1. Step 1: Write the proportion equation
   101,162.50 : 139,604.25 = 55,840.49 : x
2. Step 2: Convert to fraction form
   101,162.50/139,604.25 = 55,840.49/x
3. Step 3: Cross multiply
   101,162.50x = 139,604.25 × 55,840.49
4. Step 4: Simplify right side
   101,162.50x = 7,795,569,726.08
5. Step 5: Solve for x
   x = 7,795,569,726.08/101,162.50
6. Step 6: Final answer
   x = 77,059.88