Finding the Fourth Proportional to 1,830.02, 2,748.32 and 1,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830.02 : 2,748.32 = 1,683.50 : x
2. Step 2: Convert to fraction form
   1,830.02/2,748.32 = 1,683.50/x
3. Step 3: Cross multiply
   1,830.02x = 2,748.32 × 1,683.50
4. Step 4: Simplify right side
   1,830.02x = 4,626,796.72
5. Step 5: Solve for x
   x = 4,626,796.72/1,830.02
6. Step 6: Final answer
   x = 2,528.28