Finding the Fourth Proportional to 101,082.30, 139,495.20 and 55,759.48

Step by Step Solution

1. Step 1: Write the proportion equation
   101,082.30 : 139,495.20 = 55,759.48 : x
2. Step 2: Convert to fraction form
   101,082.30/139,495.20 = 55,759.48/x
3. Step 3: Cross multiply
   101,082.30x = 139,495.20 × 55,759.48
4. Step 4: Simplify right side
   101,082.30x = 7,778,179,814.50
5. Step 5: Solve for x
   x = 7,778,179,814.50/101,082.30
6. Step 6: Final answer
   x = 76,948.98