Finding the Fourth Proportional to 101,887.59, 140,601.81 and 55,947.15

Step by Step Solution

1. Step 1: Write the proportion equation
   101,887.59 : 140,601.81 = 55,947.15 : x
2. Step 2: Convert to fraction form
   101,887.59/140,601.81 = 55,947.15/x
3. Step 3: Cross multiply
   101,887.59x = 140,601.81 × 55,947.15
4. Step 4: Simplify right side
   101,887.59x = 7,866,270,554.34
5. Step 5: Solve for x
   x = 7,866,270,554.34/101,887.59
6. Step 6: Final answer
   x = 77,205.38