Finding the Fourth Proportional to 1,588.17, 2,191.35 and 1,535.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,588.17 : 2,191.35 = 1,535.73 : x
2. Step 2: Convert to fraction form
   1,588.17/2,191.35 = 1,535.73/x
3. Step 3: Cross multiply
   1,588.17x = 2,191.35 × 1,535.73
4. Step 4: Simplify right side
   1,588.17x = 3,365,321.94
5. Step 5: Solve for x
   x = 3,365,321.94/1,588.17
6. Step 6: Final answer
   x = 2,118.99