Finding the Fourth Proportional to 9,091.86, 12,553.82 and 7,098.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.86 : 12,553.82 = 7,098.92 : x
2. Step 2: Convert to fraction form
   9,091.86/12,553.82 = 7,098.92/x
3. Step 3: Cross multiply
   9,091.86x = 12,553.82 × 7,098.92
4. Step 4: Simplify right side
   9,091.86x = 89,118,563.87
5. Step 5: Solve for x
   x = 89,118,563.87/9,091.86
6. Step 6: Final answer
   x = 9,802.02