Finding the Fourth Proportional to 9,049,540.07, 12,492,390.98 and 5,379,644.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049,540.07 : 12,492,390.98 = 5,379,644.72 : x
2. Step 2: Convert to fraction form
   9,049,540.07/12,492,390.98 = 5,379,644.72/x
3. Step 3: Cross multiply
   9,049,540.07x = 12,492,390.98 × 5,379,644.72
4. Step 4: Simplify right side
   9,049,540.07x = 67,204,625,220,412.72
5. Step 5: Solve for x
   x = 67,204,625,220,412.72/9,049,540.07
6. Step 6: Final answer
   x = 7,426,302.85