Finding the Fourth Proportional to 1,062,582,152.68, 1,466,833,570.55 and 686,422,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,582,152.68 : 1,466,833,570.55 = 686,422,151.25 : x
2. Step 2: Convert to fraction form
   1,062,582,152.68/1,466,833,570.55 = 686,422,151.25/x
3. Step 3: Cross multiply
   1,062,582,152.68x = 1,466,833,570.55 × 686,422,151.25
4. Step 4: Simplify right side
   1,062,582,152.68x = 1,006,867,055,022,649,600
5. Step 5: Solve for x
   x = 1,006,867,055,022,649,600/1,062,582,152.68
6. Step 6: Final answer
   x = 947,566,315.21