Finding the Fourth Proportional to 10,867,412.10, 16,301,118.15 and 7,678,766.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,867,412.10 : 16,301,118.15 = 7,678,766.10 : x
2. Step 2: Convert to fraction form
   10,867,412.10/16,301,118.15 = 7,678,766.10/x
3. Step 3: Cross multiply
   10,867,412.10x = 16,301,118.15 × 7,678,766.10
4. Step 4: Simplify right side
   10,867,412.10x = 125,172,473,442,314.72
5. Step 5: Solve for x
   x = 125,172,473,442,314.72/10,867,412.10
6. Step 6: Final answer
   x = 11,518,149.15