Finding the Fourth Proportional to 1,106.42, 1,525.89 and 713.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.42 : 1,525.89 = 713.30 : x
2. Step 2: Convert to fraction form
   1,106.42/1,525.89 = 713.30/x
3. Step 3: Cross multiply
   1,106.42x = 1,525.89 × 713.30
4. Step 4: Simplify right side
   1,106.42x = 1,088,417.34
5. Step 5: Solve for x
   x = 1,088,417.34/1,106.42
6. Step 6: Final answer
   x = 983.73