Finding the Fourth Proportional to 10,835,845.98, 16,253,603.37 and 2,638,564.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,835,845.98 : 16,253,603.37 = 2,638,564.86 : x
2. Step 2: Convert to fraction form
   10,835,845.98/16,253,603.37 = 2,638,564.86/x
3. Step 3: Cross multiply
   10,835,845.98x = 16,253,603.37 × 2,638,564.86
4. Step 4: Simplify right side
   10,835,845.98x = 42,886,186,700,459.57
5. Step 5: Solve for x
   x = 42,886,186,700,459.57/10,835,845.98
6. Step 6: Final answer
   x = 3,957,806.97