Finding the Fourth Proportional to 11,080,086.57, 15,179,647.79 and 10,665,742.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,080,086.57 : 15,179,647.79 = 10,665,742.84 : x
2. Step 2: Convert to fraction form
   11,080,086.57/15,179,647.79 = 10,665,742.84/x
3. Step 3: Cross multiply
   11,080,086.57x = 15,179,647.79 × 10,665,742.84
4. Step 4: Simplify right side
   11,080,086.57x = 161,902,219,729,914.31
5. Step 5: Solve for x
   x = 161,902,219,729,914.31/11,080,086.57
6. Step 6: Final answer
   x = 14,611,999.53