Finding the Fourth Proportional to 2,715.83, 4,069.64 and 1,071.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.83 : 4,069.64 = 1,071.93 : x
2. Step 2: Convert to fraction form
   2,715.83/4,069.64 = 1,071.93/x
3. Step 3: Cross multiply
   2,715.83x = 4,069.64 × 1,071.93
4. Step 4: Simplify right side
   2,715.83x = 4,362,387.15
5. Step 5: Solve for x
   x = 4,362,387.15/2,715.83
6. Step 6: Final answer
   x = 1,606.28