Finding the Fourth Proportional to 101,185.22, 139,635.82 and 55,863.29

Step by Step Solution

1. Step 1: Write the proportion equation
   101,185.22 : 139,635.82 = 55,863.29 : x
2. Step 2: Convert to fraction form
   101,185.22/139,635.82 = 55,863.29/x
3. Step 3: Cross multiply
   101,185.22x = 139,635.82 × 55,863.29
4. Step 4: Simplify right side
   101,185.22x = 7,800,516,376.82
5. Step 5: Solve for x
   x = 7,800,516,376.82/101,185.22
6. Step 6: Final answer
   x = 77,091.46