Finding the Fourth Proportional to 1,875.12, 2,588.88 and 1,624.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.12 : 2,588.88 = 1,624.56 : x
2. Step 2: Convert to fraction form
   1,875.12/2,588.88 = 1,624.56/x
3. Step 3: Cross multiply
   1,875.12x = 2,588.88 × 1,624.56
4. Step 4: Simplify right side
   1,875.12x = 4,205,790.89
5. Step 5: Solve for x
   x = 4,205,790.89/1,875.12
6. Step 6: Final answer
   x = 2,242.94