Finding the Fourth Proportional to 1,607.31, 2,409.59 and 1,530.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.31 : 2,409.59 = 1,530.76 : x
2. Step 2: Convert to fraction form
   1,607.31/2,409.59 = 1,530.76/x
3. Step 3: Cross multiply
   1,607.31x = 2,409.59 × 1,530.76
4. Step 4: Simplify right side
   1,607.31x = 3,688,503.99
5. Step 5: Solve for x
   x = 3,688,503.99/1,607.31
6. Step 6: Final answer
   x = 2,294.83