Finding the Fourth Proportional to 1,200,470,586.50, 1,656,649,409.37 and 651,049,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,470,586.50 : 1,656,649,409.37 = 651,049,530.50 : x
2. Step 2: Convert to fraction form
   1,200,470,586.50/1,656,649,409.37 = 651,049,530.50/x
3. Step 3: Cross multiply
   1,200,470,586.50x = 1,656,649,409.37 × 651,049,530.50
4. Step 4: Simplify right side
   1,200,470,586.50x = 1,078,560,820,173,440,768
5. Step 5: Solve for x
   x = 1,078,560,820,173,440,768/1,200,470,586.50
6. Step 6: Final answer
   x = 898,448,352.09