Finding the Fourth Proportional to 9,968,540.16, 13,756,597.71 and 5,384,861.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968,540.16 : 13,756,597.71 = 5,384,861.55 : x
2. Step 2: Convert to fraction form
   9,968,540.16/13,756,597.71 = 5,384,861.55/x
3. Step 3: Cross multiply
   9,968,540.16x = 13,756,597.71 × 5,384,861.55
4. Step 4: Simplify right side
   9,968,540.16x = 74,077,374,067,397.05
5. Step 5: Solve for x
   x = 74,077,374,067,397.05/9,968,540.16
6. Step 6: Final answer
   x = 7,431,115.58