Finding the Fourth Proportional to 1,111.30, 1,530.01 and 914.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.30 : 1,530.01 = 914.47 : x
2. Step 2: Convert to fraction form
   1,111.30/1,530.01 = 914.47/x
3. Step 3: Cross multiply
   1,111.30x = 1,530.01 × 914.47
4. Step 4: Simplify right side
   1,111.30x = 1,399,148.24
5. Step 5: Solve for x
   x = 1,399,148.24/1,111.30
6. Step 6: Final answer
   x = 1,259.02