Finding the Fourth Proportional to 12,897,498.72, 17,798,181.21 and 7,096,284.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,897,498.72 : 17,798,181.21 = 7,096,284.39 : x
2. Step 2: Convert to fraction form
   12,897,498.72/17,798,181.21 = 7,096,284.39/x
3. Step 3: Cross multiply
   12,897,498.72x = 17,798,181.21 × 7,096,284.39
4. Step 4: Simplify right side
   12,897,498.72x = 126,300,955,490,914.31
5. Step 5: Solve for x
   x = 126,300,955,490,914.31/12,897,498.72
6. Step 6: Final answer
   x = 9,792,670.52