Finding the Fourth Proportional to 1,530.94, 2,113.42 and 1,058.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.94 : 2,113.42 = 1,058.98 : x
2. Step 2: Convert to fraction form
   1,530.94/2,113.42 = 1,058.98/x
3. Step 3: Cross multiply
   1,530.94x = 2,113.42 × 1,058.98
4. Step 4: Simplify right side
   1,530.94x = 2,238,069.51
5. Step 5: Solve for x
   x = 2,238,069.51/1,530.94
6. Step 6: Final answer
   x = 1,461.89