Finding the Fourth Proportional to 101,004.34, 139,386.89 and 55,683.92

Step by Step Solution

1. Step 1: Write the proportion equation
   101,004.34 : 139,386.89 = 55,683.92 : x
2. Step 2: Convert to fraction form
   101,004.34/139,386.89 = 55,683.92/x
3. Step 3: Cross multiply
   101,004.34x = 139,386.89 × 55,683.92
4. Step 4: Simplify right side
   101,004.34x = 7,761,608,331.45
5. Step 5: Solve for x
   x = 7,761,608,331.45/101,004.34
6. Step 6: Final answer
   x = 76,844.30