Finding the Fourth Proportional to 13,998,968.52, 19,307,624.91 and 9,105,753.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,998,968.52 : 19,307,624.91 = 9,105,753.15 : x
2. Step 2: Convert to fraction form
   13,998,968.52/19,307,624.91 = 9,105,753.15/x
3. Step 3: Cross multiply
   13,998,968.52x = 19,307,624.91 × 9,105,753.15
4. Step 4: Simplify right side
   13,998,968.52x = 175,810,466,309,104.41
5. Step 5: Solve for x
   x = 175,810,466,309,104.41/13,998,968.52
6. Step 6: Final answer
   x = 12,558,815.75