Finding the Fourth Proportional to 1,157,139,493.56, 1,596,864,221.10 and 628,513,803

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,139,493.56 : 1,596,864,221.10 = 628,513,803 : x
2. Step 2: Convert to fraction form
   1,157,139,493.56/1,596,864,221.10 = 628,513,803/x
3. Step 3: Cross multiply
   1,157,139,493.56x = 1,596,864,221.10 × 628,513,803
4. Step 4: Simplify right side
   1,157,139,493.56x = 1,003,651,204,478,193,792
5. Step 5: Solve for x
   x = 1,003,651,204,478,193,792/1,157,139,493.56
6. Step 6: Final answer
   x = 867,355,413.99