Finding the Fourth Proportional to 1,753.90, 2,415.46 and 1,715.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.90 : 2,415.46 = 1,715.63 : x
2. Step 2: Convert to fraction form
   1,753.90/2,415.46 = 1,715.63/x
3. Step 3: Cross multiply
   1,753.90x = 2,415.46 × 1,715.63
4. Step 4: Simplify right side
   1,753.90x = 4,144,029.60
5. Step 5: Solve for x
   x = 4,144,029.60/1,753.90
6. Step 6: Final answer
   x = 2,362.75