Finding the Fourth Proportional to 9,665,421.63, 13,337,940.42 and 5,314,477.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665,421.63 : 13,337,940.42 = 5,314,477.47 : x
2. Step 2: Convert to fraction form
   9,665,421.63/13,337,940.42 = 5,314,477.47/x
3. Step 3: Cross multiply
   9,665,421.63x = 13,337,940.42 × 5,314,477.47
4. Step 4: Simplify right side
   9,665,421.63x = 70,884,183,858,292.33
5. Step 5: Solve for x
   x = 70,884,183,858,292.33/9,665,421.63
6. Step 6: Final answer
   x = 7,333,791.18