Finding the Fourth Proportional to 116,036.07, 160,099.90 and 68,280.49

Step by Step Solution

1. Step 1: Write the proportion equation
   116,036.07 : 160,099.90 = 68,280.49 : x
2. Step 2: Convert to fraction form
   116,036.07/160,099.90 = 68,280.49/x
3. Step 3: Cross multiply
   116,036.07x = 160,099.90 × 68,280.49
4. Step 4: Simplify right side
   116,036.07x = 10,931,699,620.95
5. Step 5: Solve for x
   x = 10,931,699,620.95/116,036.07
6. Step 6: Final answer
   x = 94,209.50