Finding the Fourth Proportional to 10,391, 15,595.86 and 7,051.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391 : 15,595.86 = 7,051.16 : x
2. Step 2: Convert to fraction form
   10,391/15,595.86 = 7,051.16/x
3. Step 3: Cross multiply
   10,391x = 15,595.86 × 7,051.16
4. Step 4: Simplify right side
   10,391x = 109,968,904.20
5. Step 5: Solve for x
   x = 109,968,904.20/10,391
6. Step 6: Final answer
   x = 10,583.09