Finding the Fourth Proportional to 101,160.47, 139,601.46 and 55,838.47

Step by Step Solution

1. Step 1: Write the proportion equation
   101,160.47 : 139,601.46 = 55,838.47 : x
2. Step 2: Convert to fraction form
   101,160.47/139,601.46 = 55,838.47/x
3. Step 3: Cross multiply
   101,160.47x = 139,601.46 × 55,838.47
4. Step 4: Simplify right side
   101,160.47x = 7,795,131,936.17
5. Step 5: Solve for x
   x = 7,795,131,936.17/101,160.47
6. Step 6: Final answer
   x = 77,057.09