Finding the Fourth Proportional to 3,978,152,538.74, 5,966,210,987.86 and 1,179,466,651.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,152,538.74 : 5,966,210,987.86 = 1,179,466,651.41 : x
2. Step 2: Convert to fraction form
   3,978,152,538.74/5,966,210,987.86 = 1,179,466,651.41/x
3. Step 3: Cross multiply
   3,978,152,538.74x = 5,966,210,987.86 × 1,179,466,651.41
4. Step 4: Simplify right side
   3,978,152,538.74x = 7,036,946,895,456,782,336
5. Step 5: Solve for x
   x = 7,036,946,895,456,782,336/3,978,152,538.74
6. Step 6: Final answer
   x = 1,768,898,207.63