Finding the Fourth Proportional to 9,049,537.82, 12,492,387.88 and 5,379,642.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049,537.82 : 12,492,387.88 = 5,379,642.47 : x
2. Step 2: Convert to fraction form
   9,049,537.82/12,492,387.88 = 5,379,642.47/x
3. Step 3: Cross multiply
   9,049,537.82x = 12,492,387.88 × 5,379,642.47
4. Step 4: Simplify right side
   9,049,537.82x = 67,204,580,408,743.12
5. Step 5: Solve for x
   x = 67,204,580,408,743.12/9,049,537.82
6. Step 6: Final answer
   x = 7,426,299.74