Finding the Fourth Proportional to 321,697,640.42, 482,618,648.04 and 103,360,419.98

Step by Step Solution

1. Step 1: Write the proportion equation
   321,697,640.42 : 482,618,648.04 = 103,360,419.98 : x
2. Step 2: Convert to fraction form
   321,697,640.42/482,618,648.04 = 103,360,419.98/x
3. Step 3: Cross multiply
   321,697,640.42x = 482,618,648.04 × 103,360,419.98
4. Step 4: Simplify right side
   321,697,640.42x = 49,883,666,150,603,328
5. Step 5: Solve for x
   x = 49,883,666,150,603,328/321,697,640.42
6. Step 6: Final answer
   x = 155,063,823.55