Finding the Fourth Proportional to 1,558.79, 2,335.43 and 1,300.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.79 : 2,335.43 = 1,300.46 : x
2. Step 2: Convert to fraction form
   1,558.79/2,335.43 = 1,300.46/x
3. Step 3: Cross multiply
   1,558.79x = 2,335.43 × 1,300.46
4. Step 4: Simplify right side
   1,558.79x = 3,037,124.87
5. Step 5: Solve for x
   x = 3,037,124.87/1,558.79
6. Step 6: Final answer
   x = 1,948.38