Finding the Fourth Proportional to 101,270.82, 139,753.73 and 56,558.82

Step by Step Solution

1. Step 1: Write the proportion equation
   101,270.82 : 139,753.73 = 56,558.82 : x
2. Step 2: Convert to fraction form
   101,270.82/139,753.73 = 56,558.82/x
3. Step 3: Cross multiply
   101,270.82x = 139,753.73 × 56,558.82
4. Step 4: Simplify right side
   101,270.82x = 7,904,305,776.60
5. Step 5: Solve for x
   x = 7,904,305,776.60/101,270.82
6. Step 6: Final answer
   x = 78,051.17