Finding the Fourth Proportional to 1,031.56, 1,546.78 and 707.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.56 : 1,546.78 = 707.32 : x
2. Step 2: Convert to fraction form
   1,031.56/1,546.78 = 707.32/x
3. Step 3: Cross multiply
   1,031.56x = 1,546.78 × 707.32
4. Step 4: Simplify right side
   1,031.56x = 1,094,068.43
5. Step 5: Solve for x
   x = 1,094,068.43/1,031.56
6. Step 6: Final answer
   x = 1,060.60