Finding the Fourth Proportional to 9,749,111.60, 13,449,605.64 and 5,879,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,749,111.60 : 13,449,605.64 = 5,879,432.72 : x
2. Step 2: Convert to fraction form
   9,749,111.60/13,449,605.64 = 5,879,432.72/x
3. Step 3: Cross multiply
   9,749,111.60x = 13,449,605.64 × 5,879,432.72
4. Step 4: Simplify right side
   9,749,111.60x = 79,076,051,470,912.55
5. Step 5: Solve for x
   x = 79,076,051,470,912.55/9,749,111.60
6. Step 6: Final answer
   x = 8,111,103.32