Finding the Fourth Proportional to 13,555,171.89, 18,705,626.33 and 7,360,084.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,555,171.89 : 18,705,626.33 = 7,360,084.62 : x
2. Step 2: Convert to fraction form
   13,555,171.89/18,705,626.33 = 7,360,084.62/x
3. Step 3: Cross multiply
   13,555,171.89x = 18,705,626.33 × 7,360,084.62
4. Step 4: Simplify right side
   13,555,171.89x = 137,674,992,622,099.62
5. Step 5: Solve for x
   x = 137,674,992,622,099.62/13,555,171.89
6. Step 6: Final answer
   x = 10,156,639.38