Finding the Fourth Proportional to 12,890,200.98, 17,788,122.06 and 7,088,982.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,890,200.98 : 17,788,122.06 = 7,088,982.60 : x
2. Step 2: Convert to fraction form
   12,890,200.98/17,788,122.06 = 7,088,982.60/x
3. Step 3: Cross multiply
   12,890,200.98x = 17,788,122.06 × 7,088,982.60
4. Step 4: Simplify right side
   12,890,200.98x = 126,099,687,770,016.14
5. Step 5: Solve for x
   x = 126,099,687,770,016.14/12,890,200.98
6. Step 6: Final answer
   x = 9,782,600.59