Finding the Fourth Proportional to 1,076.06, 1,475.28 and 1,056.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.06 : 1,475.28 = 1,056.62 : x
2. Step 2: Convert to fraction form
   1,076.06/1,475.28 = 1,056.62/x
3. Step 3: Cross multiply
   1,076.06x = 1,475.28 × 1,056.62
4. Step 4: Simplify right side
   1,076.06x = 1,558,802.98
5. Step 5: Solve for x
   x = 1,558,802.98/1,076.06
6. Step 6: Final answer
   x = 1,448.63