Finding the Fourth Proportional to 12,224,871.10, 18,349,116.45 and 7,441,902.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224,871.10 : 18,349,116.45 = 7,441,902.10 : x
2. Step 2: Convert to fraction form
   12,224,871.10/18,349,116.45 = 7,441,902.10/x
3. Step 3: Cross multiply
   12,224,871.10x = 18,349,116.45 × 7,441,902.10
4. Step 4: Simplify right side
   12,224,871.10x = 136,552,328,242,399.53
5. Step 5: Solve for x
   x = 136,552,328,242,399.53/12,224,871.10
6. Step 6: Final answer
   x = 11,170,042.38