Finding the Fourth Proportional to 828,656,399.10, 1,143,375,123.50 and 476,164,288.56

Step by Step Solution

1. Step 1: Write the proportion equation
   828,656,399.10 : 1,143,375,123.50 = 476,164,288.56 : x
2. Step 2: Convert to fraction form
   828,656,399.10/1,143,375,123.50 = 476,164,288.56/x
3. Step 3: Cross multiply
   828,656,399.10x = 1,143,375,123.50 × 476,164,288.56
4. Step 4: Simplify right side
   828,656,399.10x = 544,434,402,244,248,128
5. Step 5: Solve for x
   x = 544,434,402,244,248,128/828,656,399.10
6. Step 6: Final answer
   x = 657,008,626.05