Finding the Fourth Proportional to 1,158.25, 1,598.52 and 692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.25 : 1,598.52 = 692.50 : x
2. Step 2: Convert to fraction form
   1,158.25/1,598.52 = 692.50/x
3. Step 3: Cross multiply
   1,158.25x = 1,598.52 × 692.50
4. Step 4: Simplify right side
   1,158.25x = 1,106,975.10
5. Step 5: Solve for x
   x = 1,106,975.10/1,158.25
6. Step 6: Final answer
   x = 955.73