Finding the Fourth Proportional to 574,715,496.50, 862,080,709.71 and 191,763,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,715,496.50 : 862,080,709.71 = 191,763,048.50 : x
2. Step 2: Convert to fraction form
   574,715,496.50/862,080,709.71 = 191,763,048.50/x
3. Step 3: Cross multiply
   574,715,496.50x = 862,080,709.71 × 191,763,048.50
4. Step 4: Simplify right side
   574,715,496.50x = 165,315,224,947,033,152
5. Step 5: Solve for x
   x = 165,315,224,947,033,152/574,715,496.50
6. Step 6: Final answer
   x = 287,647,063.55