Finding the Fourth Proportional to 321,117,436.83, 481,635,066.96 and 102,749,510.91

Step by Step Solution

1. Step 1: Write the proportion equation
   321,117,436.83 : 481,635,066.96 = 102,749,510.91 : x
2. Step 2: Convert to fraction form
   321,117,436.83/481,635,066.96 = 102,749,510.91/x
3. Step 3: Cross multiply
   321,117,436.83x = 481,635,066.96 × 102,749,510.91
4. Step 4: Simplify right side
   321,117,436.83x = 49,487,767,567,245,096
5. Step 5: Solve for x
   x = 49,487,767,567,245,096/321,117,436.83
6. Step 6: Final answer
   x = 154,111,119.15