Finding the Fourth Proportional to 10,859.06, 14,977.31 and 7,507.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.06 : 14,977.31 = 7,507.49 : x
2. Step 2: Convert to fraction form
   10,859.06/14,977.31 = 7,507.49/x
3. Step 3: Cross multiply
   10,859.06x = 14,977.31 × 7,507.49
4. Step 4: Simplify right side
   10,859.06x = 112,441,892.63
5. Step 5: Solve for x
   x = 112,441,892.63/10,859.06
6. Step 6: Final answer
   x = 10,354.66