Finding the Fourth Proportional to 161,158.17, 222,411.52 and 103,916.67

Step by Step Solution

1. Step 1: Write the proportion equation
   161,158.17 : 222,411.52 = 103,916.67 : x
2. Step 2: Convert to fraction form
   161,158.17/222,411.52 = 103,916.67/x
3. Step 3: Cross multiply
   161,158.17x = 222,411.52 × 103,916.67
4. Step 4: Simplify right side
   161,158.17x = 23,112,264,528.04
5. Step 5: Solve for x
   x = 23,112,264,528.04/161,158.17
6. Step 6: Final answer
   x = 143,413.55