Finding the Fourth Proportional to 104,642,413.55, 156,858,105.17 and 65,808,618.63

Step by Step Solution

1. Step 1: Write the proportion equation
   104,642,413.55 : 156,858,105.17 = 65,808,618.63 : x
2. Step 2: Convert to fraction form
   104,642,413.55/156,858,105.17 = 65,808,618.63/x
3. Step 3: Cross multiply
   104,642,413.55x = 156,858,105.17 × 65,808,618.63
4. Step 4: Simplify right side
   104,642,413.55x = 10,322,615,222,245,748
5. Step 5: Solve for x
   x = 10,322,615,222,245,748/104,642,413.55
6. Step 6: Final answer
   x = 98,646,570.47