Finding the Fourth Proportional to 2,109.42, 2,907.94 and 1,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.42 : 2,907.94 = 1,477.98 : x
2. Step 2: Convert to fraction form
   2,109.42/2,907.94 = 1,477.98/x
3. Step 3: Cross multiply
   2,109.42x = 2,907.94 × 1,477.98
4. Step 4: Simplify right side
   2,109.42x = 4,297,877.16
5. Step 5: Solve for x
   x = 4,297,877.16/2,109.42
6. Step 6: Final answer
   x = 2,037.47