Finding the Fourth Proportional to 10,997.00, 15,155.50 and 7,810.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.00 : 15,155.50 = 7,810.43 : x
2. Step 2: Convert to fraction form
   10,997.00/15,155.50 = 7,810.43/x
3. Step 3: Cross multiply
   10,997.00x = 15,155.50 × 7,810.43
4. Step 4: Simplify right side
   10,997.00x = 118,370,876.56
5. Step 5: Solve for x
   x = 118,370,876.56/10,997.00
6. Step 6: Final answer
   x = 10,763.93