Finding the Fourth Proportional to 1,051.72, 1,570.41 and 941.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.72 : 1,570.41 = 941.32 : x
2. Step 2: Convert to fraction form
   1,051.72/1,570.41 = 941.32/x
3. Step 3: Cross multiply
   1,051.72x = 1,570.41 × 941.32
4. Step 4: Simplify right side
   1,051.72x = 1,478,258.34
5. Step 5: Solve for x
   x = 1,478,258.34/1,051.72
6. Step 6: Final answer
   x = 1,405.56