Finding the Fourth Proportional to 268,078,861.77, 369,978,785.30 and 162,290,564.87

Step by Step Solution

1. Step 1: Write the proportion equation
   268,078,861.77 : 369,978,785.30 = 162,290,564.87 : x
2. Step 2: Convert to fraction form
   268,078,861.77/369,978,785.30 = 162,290,564.87/x
3. Step 3: Cross multiply
   268,078,861.77x = 369,978,785.30 × 162,290,564.87
4. Step 4: Simplify right side
   268,078,861.77x = 60,044,066,055,442,008
5. Step 5: Solve for x
   x = 60,044,066,055,442,008/268,078,861.77
6. Step 6: Final answer
   x = 223,979,114.43