Finding the Fourth Proportional to 103,887.98, 155,443.16 and 68,895.98

Step by Step Solution

1. Step 1: Write the proportion equation
   103,887.98 : 155,443.16 = 68,895.98 : x
2. Step 2: Convert to fraction form
   103,887.98/155,443.16 = 68,895.98/x
3. Step 3: Cross multiply
   103,887.98x = 155,443.16 × 68,895.98
4. Step 4: Simplify right side
   103,887.98x = 10,709,407,720.80
5. Step 5: Solve for x
   x = 10,709,407,720.80/103,887.98
6. Step 6: Final answer
   x = 103,086.11