Finding the Fourth Proportional to 10,300.26, 15,445.35 and 7,181.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.26 : 15,445.35 = 7,181.76 : x
2. Step 2: Convert to fraction form
   10,300.26/15,445.35 = 7,181.76/x
3. Step 3: Cross multiply
   10,300.26x = 15,445.35 × 7,181.76
4. Step 4: Simplify right side
   10,300.26x = 110,924,796.82
5. Step 5: Solve for x
   x = 110,924,796.82/10,300.26
6. Step 6: Final answer
   x = 10,769.13