Finding the Fourth Proportional to 116,104,728.51, 160,188,448.62 and 65,860,672.53

Step by Step Solution

1. Step 1: Write the proportion equation
   116,104,728.51 : 160,188,448.62 = 65,860,672.53 : x
2. Step 2: Convert to fraction form
   116,104,728.51/160,188,448.62 = 65,860,672.53/x
3. Step 3: Cross multiply
   116,104,728.51x = 160,188,448.62 × 65,860,672.53
4. Step 4: Simplify right side
   116,104,728.51x = 10,550,118,957,650,550
5. Step 5: Solve for x
   x = 10,550,118,957,650,550/116,104,728.51
6. Step 6: Final answer
   x = 90,867,263.49