Finding the Fourth Proportional to 1,815.72, 2,503.01 and 1,416.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.72 : 2,503.01 = 1,416.93 : x
2. Step 2: Convert to fraction form
   1,815.72/2,503.01 = 1,416.93/x
3. Step 3: Cross multiply
   1,815.72x = 2,503.01 × 1,416.93
4. Step 4: Simplify right side
   1,815.72x = 3,546,589.96
5. Step 5: Solve for x
   x = 3,546,589.96/1,815.72
6. Step 6: Final answer
   x = 1,953.27