Finding the Fourth Proportional to 12,311,194.56, 18,550,824.72 and 10,116,496.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,311,194.56 : 18,550,824.72 = 10,116,496.32 : x
2. Step 2: Convert to fraction form
   12,311,194.56/18,550,824.72 = 10,116,496.32/x
3. Step 3: Cross multiply
   12,311,194.56x = 18,550,824.72 × 10,116,496.32
4. Step 4: Simplify right side
   12,311,194.56x = 187,669,350,012,845.03
5. Step 5: Solve for x
   x = 187,669,350,012,845.03/12,311,194.56
6. Step 6: Final answer
   x = 15,243,796.94