Finding the Fourth Proportional to 1,090.02, 1,513.06 and 1,064.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.02 : 1,513.06 = 1,064.10 : x
2. Step 2: Convert to fraction form
   1,090.02/1,513.06 = 1,064.10/x
3. Step 3: Cross multiply
   1,090.02x = 1,513.06 × 1,064.10
4. Step 4: Simplify right side
   1,090.02x = 1,610,047.15
5. Step 5: Solve for x
   x = 1,610,047.15/1,090.02
6. Step 6: Final answer
   x = 1,477.08