Finding the Fourth Proportional to 9,974,007.82, 13,758,897 and 8,115,498.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974,007.82 : 13,758,897 = 8,115,498.55 : x
2. Step 2: Convert to fraction form
   9,974,007.82/13,758,897 = 8,115,498.55/x
3. Step 3: Cross multiply
   9,974,007.82x = 13,758,897 × 8,115,498.55
4. Step 4: Simplify right side
   9,974,007.82x = 111,660,308,653,099.34
5. Step 5: Solve for x
   x = 111,660,308,653,099.34/9,974,007.82
6. Step 6: Final answer
   x = 11,195,129.45