Finding the Fourth Proportional to 397,002,966.93, 547,483,877.69 and 262,828,488.69

Step by Step Solution

1. Step 1: Write the proportion equation
   397,002,966.93 : 547,483,877.69 = 262,828,488.69 : x
2. Step 2: Convert to fraction form
   397,002,966.93/547,483,877.69 = 262,828,488.69/x
3. Step 3: Cross multiply
   397,002,966.93x = 547,483,877.69 × 262,828,488.69
4. Step 4: Simplify right side
   397,002,966.93x = 143,894,360,154,089,344
5. Step 5: Solve for x
   x = 143,894,360,154,089,344/397,002,966.93
6. Step 6: Final answer
   x = 362,451,598.96