Finding the Fourth Proportional to 1,061.07, 1,592.06 and 1,058.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.07 : 1,592.06 = 1,058.03 : x
2. Step 2: Convert to fraction form
   1,061.07/1,592.06 = 1,058.03/x
3. Step 3: Cross multiply
   1,061.07x = 1,592.06 × 1,058.03
4. Step 4: Simplify right side
   1,061.07x = 1,684,439.96
5. Step 5: Solve for x
   x = 1,684,439.96/1,061.07
6. Step 6: Final answer
   x = 1,587.50