Finding the Fourth Proportional to 12,454,196.68, 17,186,401.74 and 7,300,990.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,454,196.68 : 17,186,401.74 = 7,300,990.54 : x
2. Step 2: Convert to fraction form
   12,454,196.68/17,186,401.74 = 7,300,990.54/x
3. Step 3: Cross multiply
   12,454,196.68x = 17,186,401.74 × 7,300,990.54
4. Step 4: Simplify right side
   12,454,196.68x = 125,477,756,520,379.53
5. Step 5: Solve for x
   x = 125,477,756,520,379.53/12,454,196.68
6. Step 6: Final answer
   x = 10,075,138.51