Finding the Fourth Proportional to 10,045.83, 15,091.83 and 7,091.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,045.83 : 15,091.83 = 7,091.09 : x
2. Step 2: Convert to fraction form
   10,045.83/15,091.83 = 7,091.09/x
3. Step 3: Cross multiply
   10,045.83x = 15,091.83 × 7,091.09
4. Step 4: Simplify right side
   10,045.83x = 107,017,449.34
5. Step 5: Solve for x
   x = 107,017,449.34/10,045.83
6. Step 6: Final answer
   x = 10,652.92