Finding the Fourth Proportional to 11,603,978.69, 17,388,238.76 and 4,868,718.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,603,978.69 : 17,388,238.76 = 4,868,718.53 : x
2. Step 2: Convert to fraction form
   11,603,978.69/17,388,238.76 = 4,868,718.53/x
3. Step 3: Cross multiply
   11,603,978.69x = 17,388,238.76 × 4,868,718.53
4. Step 4: Simplify right side
   11,603,978.69x = 84,658,440,230,532.62
5. Step 5: Solve for x
   x = 84,658,440,230,532.62/11,603,978.69
6. Step 6: Final answer
   x = 7,295,639.06