Finding the Fourth Proportional to 101,267.58, 139,748.82 and 55,945.57

Step by Step Solution

1. Step 1: Write the proportion equation
   101,267.58 : 139,748.82 = 55,945.57 : x
2. Step 2: Convert to fraction form
   101,267.58/139,748.82 = 55,945.57/x
3. Step 3: Cross multiply
   101,267.58x = 139,748.82 × 55,945.57
4. Step 4: Simplify right side
   101,267.58x = 7,818,326,413.26
5. Step 5: Solve for x
   x = 7,818,326,413.26/101,267.58
6. Step 6: Final answer
   x = 77,204.64