Finding the Fourth Proportional to 12,589,342,567.39, 17,374,816,186.59 and 7,165,196,978.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,589,342,567.39 : 17,374,816,186.59 = 7,165,196,978.41 : x
2. Step 2: Convert to fraction form
   12,589,342,567.39/17,374,816,186.59 = 7,165,196,978.41/x
3. Step 3: Cross multiply
   12,589,342,567.39x = 17,374,816,186.59 × 7,165,196,978.41
4. Step 4: Simplify right side
   12,589,342,567.39x = 124,493,980,440,583,831,552
5. Step 5: Solve for x
   x = 124,493,980,440,583,831,552/12,589,342,567.39
6. Step 6: Final answer
   x = 9,888,838,894.82