Finding the Fourth Proportional to 12,111,241.56, 18,170,368.82 and 3,591,783.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111,241.56 : 18,170,368.82 = 3,591,783.06 : x
2. Step 2: Convert to fraction form
   12,111,241.56/18,170,368.82 = 3,591,783.06/x
3. Step 3: Cross multiply
   12,111,241.56x = 18,170,368.82 × 3,591,783.06
4. Step 4: Simplify right side
   12,111,241.56x = 65,264,022,921,628.19
5. Step 5: Solve for x
   x = 65,264,022,921,628.19/12,111,241.56
6. Step 6: Final answer
   x = 5,388,714.49