Finding the Fourth Proportional to 12,855,401.46, 17,740,405.35 and 7,054,280.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,855,401.46 : 17,740,405.35 = 7,054,280.28 : x
2. Step 2: Convert to fraction form
   12,855,401.46/17,740,405.35 = 7,054,280.28/x
3. Step 3: Cross multiply
   12,855,401.46x = 17,740,405.35 × 7,054,280.28
4. Step 4: Simplify right side
   12,855,401.46x = 125,145,791,619,711.52
5. Step 5: Solve for x
   x = 125,145,791,619,711.52/12,855,401.46
6. Step 6: Final answer
   x = 9,734,880.08