Finding the Fourth Proportional to 116,884.50, 161,300.61 and 66,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,884.50 : 161,300.61 = 66,583.50 : x
2. Step 2: Convert to fraction form
   116,884.50/161,300.61 = 66,583.50/x
3. Step 3: Cross multiply
   116,884.50x = 161,300.61 × 66,583.50
4. Step 4: Simplify right side
   116,884.50x = 10,739,959,165.94
5. Step 5: Solve for x
   x = 10,739,959,165.94/116,884.50
6. Step 6: Final answer
   x = 91,885.23