Finding the Fourth Proportional to 1,655.60, 2,493.32 and 1,507.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.60 : 2,493.32 = 1,507.98 : x
2. Step 2: Convert to fraction form
   1,655.60/2,493.32 = 1,507.98/x
3. Step 3: Cross multiply
   1,655.60x = 2,493.32 × 1,507.98
4. Step 4: Simplify right side
   1,655.60x = 3,759,859.80
5. Step 5: Solve for x
   x = 3,759,859.80/1,655.60
6. Step 6: Final answer
   x = 2,271.00