Finding the Fourth Proportional to 1,045.93, 1,570.69 and 929.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.93 : 1,570.69 = 929.06 : x
2. Step 2: Convert to fraction form
   1,045.93/1,570.69 = 929.06/x
3. Step 3: Cross multiply
   1,045.93x = 1,570.69 × 929.06
4. Step 4: Simplify right side
   1,045.93x = 1,459,265.25
5. Step 5: Solve for x
   x = 1,459,265.25/1,045.93
6. Step 6: Final answer
   x = 1,395.18