Finding the Fourth Proportional to 13,300,169.42, 18,354,265.17 and 7,188,597.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300,169.42 : 18,354,265.17 = 7,188,597.92 : x
2. Step 2: Convert to fraction form
   13,300,169.42/18,354,265.17 = 7,188,597.92/x
3. Step 3: Cross multiply
   13,300,169.42x = 18,354,265.17 × 7,188,597.92
4. Step 4: Simplify right side
   13,300,169.42x = 131,941,432,443,118.89
5. Step 5: Solve for x
   x = 131,941,432,443,118.89/13,300,169.42
6. Step 6: Final answer
   x = 9,920,282.08