Finding the Fourth Proportional to 3,163,510.50, 4,746,074.94 and 919,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,163,510.50 : 4,746,074.94 = 919,648.50 : x
2. Step 2: Convert to fraction form
   3,163,510.50/4,746,074.94 = 919,648.50/x
3. Step 3: Cross multiply
   3,163,510.50x = 4,746,074.94 × 919,648.50
4. Step 4: Simplify right side
   3,163,510.50x = 4,364,720,699,458.59
5. Step 5: Solve for x
   x = 4,364,720,699,458.59/3,163,510.50
6. Step 6: Final answer
   x = 1,379,707.99