Finding the Fourth Proportional to 1,526.86, 2,106.35 and 897.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.86 : 2,106.35 = 897.18 : x
2. Step 2: Convert to fraction form
   1,526.86/2,106.35 = 897.18/x
3. Step 3: Cross multiply
   1,526.86x = 2,106.35 × 897.18
4. Step 4: Simplify right side
   1,526.86x = 1,889,788.89
5. Step 5: Solve for x
   x = 1,889,788.89/1,526.86
6. Step 6: Final answer
   x = 1,237.70