Finding the Fourth Proportional to 101,321.07, 139,818.72 and 55,996.71

Step by Step Solution

1. Step 1: Write the proportion equation
   101,321.07 : 139,818.72 = 55,996.71 : x
2. Step 2: Convert to fraction form
   101,321.07/139,818.72 = 55,996.71/x
3. Step 3: Cross multiply
   101,321.07x = 139,818.72 × 55,996.71
4. Step 4: Simplify right side
   101,321.07x = 7,829,387,617.32
5. Step 5: Solve for x
   x = 7,829,387,617.32/101,321.07
6. Step 6: Final answer
   x = 77,273.05