Finding the Fourth Proportional to 116,651.58, 160,984.42 and 65,681.84

Step by Step Solution

1. Step 1: Write the proportion equation
   116,651.58 : 160,984.42 = 65,681.84 : x
2. Step 2: Convert to fraction form
   116,651.58/160,984.42 = 65,681.84/x
3. Step 3: Cross multiply
   116,651.58x = 160,984.42 × 65,681.84
4. Step 4: Simplify right side
   116,651.58x = 10,573,752,916.93
5. Step 5: Solve for x
   x = 10,573,752,916.93/116,651.58
6. Step 6: Final answer
   x = 90,643.89