Finding the Fourth Proportional to 1,387,840,050.86, 1,915,201,413.50 and 793,117,713.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,387,840,050.86 : 1,915,201,413.50 = 793,117,713.78 : x
2. Step 2: Convert to fraction form
   1,387,840,050.86/1,915,201,413.50 = 793,117,713.78/x
3. Step 3: Cross multiply
   1,387,840,050.86x = 1,915,201,413.50 × 793,117,713.78
4. Step 4: Simplify right side
   1,387,840,050.86x = 1,518,980,166,499,378,688
5. Step 5: Solve for x
   x = 1,518,980,166,499,378,688/1,387,840,050.86
6. Step 6: Final answer
   x = 1,094,492,240.34