Finding the Fourth Proportional to 1,501.63, 2,071.93 and 912.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.63 : 2,071.93 = 912.04 : x
2. Step 2: Convert to fraction form
   1,501.63/2,071.93 = 912.04/x
3. Step 3: Cross multiply
   1,501.63x = 2,071.93 × 912.04
4. Step 4: Simplify right side
   1,501.63x = 1,889,683.04
5. Step 5: Solve for x
   x = 1,889,683.04/1,501.63
6. Step 6: Final answer
   x = 1,258.42