Finding the Fourth Proportional to 13,603,691.43, 18,773,942.54 and 7,492,118.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,603,691.43 : 18,773,942.54 = 7,492,118.31 : x
2. Step 2: Convert to fraction form
   13,603,691.43/18,773,942.54 = 7,492,118.31/x
3. Step 3: Cross multiply
   13,603,691.43x = 18,773,942.54 × 7,492,118.31
4. Step 4: Simplify right side
   13,603,691.43x = 140,656,598,617,361.31
5. Step 5: Solve for x
   x = 140,656,598,617,361.31/13,603,691.43
6. Step 6: Final answer
   x = 10,339,590.50