Finding the Fourth Proportional to 1,106.16, 1,526.56 and 608.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.16 : 1,526.56 = 608.86 : x
2. Step 2: Convert to fraction form
   1,106.16/1,526.56 = 608.86/x
3. Step 3: Cross multiply
   1,106.16x = 1,526.56 × 608.86
4. Step 4: Simplify right side
   1,106.16x = 929,461.32
5. Step 5: Solve for x
   x = 929,461.32/1,106.16
6. Step 6: Final answer
   x = 840.26