Finding the Fourth Proportional to 3,066.58, 4,599.93 and 875.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.58 : 4,599.93 = 875.31 : x
2. Step 2: Convert to fraction form
   3,066.58/4,599.93 = 875.31/x
3. Step 3: Cross multiply
   3,066.58x = 4,599.93 × 875.31
4. Step 4: Simplify right side
   3,066.58x = 4,026,379.25
5. Step 5: Solve for x
   x = 4,026,379.25/3,066.58
6. Step 6: Final answer
   x = 1,312.99