Finding the Fourth Proportional to 4,300.83, 6,446.99 and 2,075.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,300.83 : 6,446.99 = 2,075.56 : x
2. Step 2: Convert to fraction form
   4,300.83/6,446.99 = 2,075.56/x
3. Step 3: Cross multiply
   4,300.83x = 6,446.99 × 2,075.56
4. Step 4: Simplify right side
   4,300.83x = 13,381,071.95
5. Step 5: Solve for x
   x = 13,381,071.95/4,300.83
6. Step 6: Final answer
   x = 3,111.28