Finding the Fourth Proportional to 43,307,729.69, 64,961,029.42 and 10,518,567.33

Step by Step Solution

1. Step 1: Write the proportion equation
   43,307,729.69 : 64,961,029.42 = 10,518,567.33 : x
2. Step 2: Convert to fraction form
   43,307,729.69/64,961,029.42 = 10,518,567.33/x
3. Step 3: Cross multiply
   43,307,729.69x = 64,961,029.42 × 10,518,567.33
4. Step 4: Simplify right side
   43,307,729.69x = 683,296,961,754,084.38
5. Step 5: Solve for x
   x = 683,296,961,754,084.38/43,307,729.69
6. Step 6: Final answer
   x = 15,777,713.74