Finding the Fourth Proportional to 9,055,111.98, 13,566,724.02 and 8,515,699.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,055,111.98 : 13,566,724.02 = 8,515,699.32 : x
2. Step 2: Convert to fraction form
   9,055,111.98/13,566,724.02 = 8,515,699.32/x
3. Step 3: Cross multiply
   9,055,111.98x = 13,566,724.02 × 8,515,699.32
4. Step 4: Simplify right side
   9,055,111.98x = 115,530,142,511,741.67
5. Step 5: Solve for x
   x = 115,530,142,511,741.67/9,055,111.98
6. Step 6: Final answer
   x = 12,758,554.81