Finding the Fourth Proportional to 858,063,756.18, 1,287,107,591.72 and 244,647,981.93

Step by Step Solution

1. Step 1: Write the proportion equation
   858,063,756.18 : 1,287,107,591.72 = 244,647,981.93 : x
2. Step 2: Convert to fraction form
   858,063,756.18/1,287,107,591.72 = 244,647,981.93/x
3. Step 3: Cross multiply
   858,063,756.18x = 1,287,107,591.72 × 244,647,981.93
4. Step 4: Simplify right side
   858,063,756.18x = 314,888,274,839,857,152
5. Step 5: Solve for x
   x = 314,888,274,839,857,152/858,063,756.18
6. Step 6: Final answer
   x = 366,975,382.16