Finding the Fourth Proportional to 2,300.45, 3,172.95 and 1,415.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.45 : 3,172.95 = 1,415.93 : x
2. Step 2: Convert to fraction form
   2,300.45/3,172.95 = 1,415.93/x
3. Step 3: Cross multiply
   2,300.45x = 3,172.95 × 1,415.93
4. Step 4: Simplify right side
   2,300.45x = 4,492,675.09
5. Step 5: Solve for x
   x = 4,492,675.09/2,300.45
6. Step 6: Final answer
   x = 1,952.95