Finding the Fourth Proportional to 12,693,120.72, 17,516,810.96 and 6,892,146.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,693,120.72 : 17,516,810.96 = 6,892,146.96 : x
2. Step 2: Convert to fraction form
   12,693,120.72/17,516,810.96 = 6,892,146.96/x
3. Step 3: Cross multiply
   12,693,120.72x = 17,516,810.96 × 6,892,146.96
4. Step 4: Simplify right side
   12,693,120.72x = 120,728,435,406,858.69
5. Step 5: Solve for x
   x = 120,728,435,406,858.69/12,693,120.72
6. Step 6: Final answer
   x = 9,511,328.07