Finding the Fourth Proportional to 13,097,061.12, 19,658,997.48 and 10,815,315.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,097,061.12 : 19,658,997.48 = 10,815,315.36 : x
2. Step 2: Convert to fraction form
   13,097,061.12/19,658,997.48 = 10,815,315.36/x
3. Step 3: Cross multiply
   13,097,061.12x = 19,658,997.48 × 10,815,315.36
4. Step 4: Simplify right side
   13,097,061.12x = 212,618,257,407,645.28
5. Step 5: Solve for x
   x = 212,618,257,407,645.28/13,097,061.12
6. Step 6: Final answer
   x = 16,234,043.31