Finding the Fourth Proportional to 2,415.72, 3,623.56 and 1,117.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.72 : 3,623.56 = 1,117.02 : x
2. Step 2: Convert to fraction form
   2,415.72/3,623.56 = 1,117.02/x
3. Step 3: Cross multiply
   2,415.72x = 3,623.56 × 1,117.02
4. Step 4: Simplify right side
   2,415.72x = 4,047,588.99
5. Step 5: Solve for x
   x = 4,047,588.99/2,415.72
6. Step 6: Final answer
   x = 1,675.52