Finding the Fourth Proportional to 1,071,784,943.42, 1,607,499,099.52 and 324,623,074.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,784,943.42 : 1,607,499,099.52 = 324,623,074.53 : x
2. Step 2: Convert to fraction form
   1,071,784,943.42/1,607,499,099.52 = 324,623,074.53/x
3. Step 3: Cross multiply
   1,071,784,943.42x = 1,607,499,099.52 × 324,623,074.53
4. Step 4: Simplify right side
   1,071,784,943.42x = 521,831,299,990,388,800
5. Step 5: Solve for x
   x = 521,831,299,990,388,800/1,071,784,943.42
6. Step 6: Final answer
   x = 486,880,603.42