Finding the Fourth Proportional to 1,177.30, 1,624.71 and 653.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,177.30 : 1,624.71 = 653.41 : x
2. Step 2: Convert to fraction form
   1,177.30/1,624.71 = 653.41/x
3. Step 3: Cross multiply
   1,177.30x = 1,624.71 × 653.41
4. Step 4: Simplify right side
   1,177.30x = 1,061,601.76
5. Step 5: Solve for x
   x = 1,061,601.76/1,177.30
6. Step 6: Final answer
   x = 901.73