Finding the Fourth Proportional to 2,123.32, 2,931.61 and 1,625.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.32 : 2,931.61 = 1,625.07 : x
2. Step 2: Convert to fraction form
   2,123.32/2,931.61 = 1,625.07/x
3. Step 3: Cross multiply
   2,123.32x = 2,931.61 × 1,625.07
4. Step 4: Simplify right side
   2,123.32x = 4,764,071.46
5. Step 5: Solve for x
   x = 4,764,071.46/2,123.32
6. Step 6: Final answer
   x = 2,243.69