Finding the Fourth Proportional to 1,167,068,150.79, 1,610,549,233.10 and 631,220,413.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,068,150.79 : 1,610,549,233.10 = 631,220,413.83 : x
2. Step 2: Convert to fraction form
   1,167,068,150.79/1,610,549,233.10 = 631,220,413.83/x
3. Step 3: Cross multiply
   1,167,068,150.79x = 1,610,549,233.10 × 631,220,413.83
4. Step 4: Simplify right side
   1,167,068,150.79x = 1,016,611,553,407,815,168
5. Step 5: Solve for x
   x = 1,016,611,553,407,815,168/1,167,068,150.79
6. Step 6: Final answer
   x = 871,081,566.85