Finding the Fourth Proportional to 116,137.56, 160,282.08 and 68,389.89

Step by Step Solution

1. Step 1: Write the proportion equation
   116,137.56 : 160,282.08 = 68,389.89 : x
2. Step 2: Convert to fraction form
   116,137.56/160,282.08 = 68,389.89/x
3. Step 3: Cross multiply
   116,137.56x = 160,282.08 × 68,389.89
4. Step 4: Simplify right side
   116,137.56x = 10,961,673,820.17
5. Step 5: Solve for x
   x = 10,961,673,820.17/116,137.56
6. Step 6: Final answer
   x = 94,385.26