Finding the Fourth Proportional to 1,281,870,499.86, 1,922,536,704.24 and 361,531,604.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,870,499.86 : 1,922,536,704.24 = 361,531,604.88 : x
2. Step 2: Convert to fraction form
   1,281,870,499.86/1,922,536,704.24 = 361,531,604.88/x
3. Step 3: Cross multiply
   1,281,870,499.86x = 1,922,536,704.24 × 361,531,604.88
4. Step 4: Simplify right side
   1,281,870,499.86x = 695,057,780,124,593,152
5. Step 5: Solve for x
   x = 695,057,780,124,593,152/1,281,870,499.86
6. Step 6: Final answer
   x = 542,221,527.21