Finding the Fourth Proportional to 871,404,555.47, 1,307,106,034.57 and 273,146,710.10

Step by Step Solution

1. Step 1: Write the proportion equation
   871,404,555.47 : 1,307,106,034.57 = 273,146,710.10 : x
2. Step 2: Convert to fraction form
   871,404,555.47/1,307,106,034.57 = 273,146,710.10/x
3. Step 3: Cross multiply
   871,404,555.47x = 1,307,106,034.57 × 273,146,710.10
4. Step 4: Simplify right side
   871,404,555.47x = 357,031,713,087,434,048
5. Step 5: Solve for x
   x = 357,031,713,087,434,048/871,404,555.47
6. Step 6: Final answer
   x = 409,719,814.81