Finding the Fourth Proportional to 116,893.81, 161,310.22 and 65,906.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116,893.81 : 161,310.22 = 65,906.10 : x
2. Step 2: Convert to fraction form
   116,893.81/161,310.22 = 65,906.10/x
3. Step 3: Cross multiply
   116,893.81x = 161,310.22 × 65,906.10
4. Step 4: Simplify right side
   116,893.81x = 10,631,327,490.34
5. Step 5: Solve for x
   x = 10,631,327,490.34/116,893.81
6. Step 6: Final answer
   x = 90,948.59