Finding the Fourth Proportional to 101,071.82, 139,479.77 and 55,751.02

Step by Step Solution

1. Step 1: Write the proportion equation
   101,071.82 : 139,479.77 = 55,751.02 : x
2. Step 2: Convert to fraction form
   101,071.82/139,479.77 = 55,751.02/x
3. Step 3: Cross multiply
   101,071.82x = 139,479.77 × 55,751.02
4. Step 4: Simplify right side
   101,071.82x = 7,776,139,446.87
5. Step 5: Solve for x
   x = 7,776,139,446.87/101,071.82
6. Step 6: Final answer
   x = 76,936.77