Finding the Fourth Proportional to 10,369,818.10, 15,554,727.15 and 7,181,172.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,369,818.10 : 15,554,727.15 = 7,181,172.10 : x
2. Step 2: Convert to fraction form
   10,369,818.10/15,554,727.15 = 7,181,172.10/x
3. Step 3: Cross multiply
   10,369,818.10x = 15,554,727.15 × 7,181,172.10
4. Step 4: Simplify right side
   10,369,818.10x = 111,701,172,632,692.52
5. Step 5: Solve for x
   x = 111,701,172,632,692.52/10,369,818.10
6. Step 6: Final answer
   x = 10,771,758.15