Finding the Fourth Proportional to 871,404,555.38, 1,307,106,034.43 and 273,146,710.01

Step by Step Solution

1. Step 1: Write the proportion equation
   871,404,555.38 : 1,307,106,034.43 = 273,146,710.01 : x
2. Step 2: Convert to fraction form
   871,404,555.38/1,307,106,034.43 = 273,146,710.01/x
3. Step 3: Cross multiply
   871,404,555.38x = 1,307,106,034.43 × 273,146,710.01
4. Step 4: Simplify right side
   871,404,555.38x = 357,031,712,930,870,976
5. Step 5: Solve for x
   x = 357,031,712,930,870,976/871,404,555.38
6. Step 6: Final answer
   x = 409,719,814.67