Finding the Fourth Proportional to 12,823,899.30, 19,193,858.55 and 9,968,552.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,823,899.30 : 19,193,858.55 = 9,968,552.10 : x
2. Step 2: Convert to fraction form
   12,823,899.30/19,193,858.55 = 9,968,552.10/x
3. Step 3: Cross multiply
   12,823,899.30x = 19,193,858.55 × 9,968,552.10
4. Step 4: Simplify right side
   12,823,899.30x = 191,334,978,955,705.47
5. Step 5: Solve for x
   x = 191,334,978,955,705.47/12,823,899.30
6. Step 6: Final answer
   x = 14,920,187.26