Finding the Fourth Proportional to 12,361,472.10, 18,550,081.35 and 7,243,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,361,472.10 : 18,550,081.35 = 7,243,892.10 : x
2. Step 2: Convert to fraction form
   12,361,472.10/18,550,081.35 = 7,243,892.10/x
3. Step 3: Cross multiply
   12,361,472.10x = 18,550,081.35 × 7,243,892.10
4. Step 4: Simplify right side
   12,361,472.10x = 134,374,787,745,622.34
5. Step 5: Solve for x
   x = 134,374,787,745,622.34/12,361,472.10
6. Step 6: Final answer
   x = 10,870,451.89