Finding the Fourth Proportional to 101,191.58, 139,640.72 and 55,868.58

Step by Step Solution

1. Step 1: Write the proportion equation
   101,191.58 : 139,640.72 = 55,868.58 : x
2. Step 2: Convert to fraction form
   101,191.58/139,640.72 = 55,868.58/x
3. Step 3: Cross multiply
   101,191.58x = 139,640.72 × 55,868.58
4. Step 4: Simplify right side
   101,191.58x = 7,801,528,736.58
5. Step 5: Solve for x
   x = 7,801,528,736.58/101,191.58
6. Step 6: Final answer
   x = 77,096.62