Finding the Fourth Proportional to 101,003.69, 139,386.02 and 55,683.32

Step by Step Solution

1. Step 1: Write the proportion equation
   101,003.69 : 139,386.02 = 55,683.32 : x
2. Step 2: Convert to fraction form
   101,003.69/139,386.02 = 55,683.32/x
3. Step 3: Cross multiply
   101,003.69x = 139,386.02 × 55,683.32
4. Step 4: Simplify right side
   101,003.69x = 7,761,475,379.84
5. Step 5: Solve for x
   x = 7,761,475,379.84/101,003.69
6. Step 6: Final answer
   x = 76,843.48