Finding the Fourth Proportional to 294,355,585.50, 406,192,402.17 and 162,189,185.87

Step by Step Solution

1. Step 1: Write the proportion equation
   294,355,585.50 : 406,192,402.17 = 162,189,185.87 : x
2. Step 2: Convert to fraction form
   294,355,585.50/406,192,402.17 = 162,189,185.87/x
3. Step 3: Cross multiply
   294,355,585.50x = 406,192,402.17 × 162,189,185.87
4. Step 4: Simplify right side
   294,355,585.50x = 65,880,015,012,500,968
5. Step 5: Solve for x
   x = 65,880,015,012,500,968/294,355,585.50
6. Step 6: Final answer
   x = 223,810,990.03