Finding the Fourth Proportional to 10,505.46, 15,777.63 and 7,045.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.46 : 15,777.63 = 7,045.14 : x
2. Step 2: Convert to fraction form
   10,505.46/15,777.63 = 7,045.14/x
3. Step 3: Cross multiply
   10,505.46x = 15,777.63 × 7,045.14
4. Step 4: Simplify right side
   10,505.46x = 111,155,612.22
5. Step 5: Solve for x
   x = 111,155,612.22/10,505.46
6. Step 6: Final answer
   x = 10,580.75