Finding the Fourth Proportional to 101,179.08, 139,627.32 and 55,857.12

Step by Step Solution

1. Step 1: Write the proportion equation
   101,179.08 : 139,627.32 = 55,857.12 : x
2. Step 2: Convert to fraction form
   101,179.08/139,627.32 = 55,857.12/x
3. Step 3: Cross multiply
   101,179.08x = 139,627.32 × 55,857.12
4. Step 4: Simplify right side
   101,179.08x = 7,799,179,968.52
5. Step 5: Solve for x
   x = 7,799,179,968.52/101,179.08
6. Step 6: Final answer
   x = 77,082.93