Finding the Fourth Proportional to 269,722,946, 404,420,585.26 and 105,764,277.72

Step by Step Solution

1. Step 1: Write the proportion equation
   269,722,946 : 404,420,585.26 = 105,764,277.72 : x
2. Step 2: Convert to fraction form
   269,722,946/404,420,585.26 = 105,764,277.72/x
3. Step 3: Cross multiply
   269,722,946x = 404,420,585.26 × 105,764,277.72
4. Step 4: Simplify right side
   269,722,946x = 42,773,251,095,123,576
5. Step 5: Solve for x
   x = 42,773,251,095,123,576/269,722,946
6. Step 6: Final answer
   x = 158,582,173.78