Finding the Fourth Proportional to 2,068.47, 3,090.89 and 1,572.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.47 : 3,090.89 = 1,572.15 : x
2. Step 2: Convert to fraction form
   2,068.47/3,090.89 = 1,572.15/x
3. Step 3: Cross multiply
   2,068.47x = 3,090.89 × 1,572.15
4. Step 4: Simplify right side
   2,068.47x = 4,859,346.64
5. Step 5: Solve for x
   x = 4,859,346.64/2,068.47
6. Step 6: Final answer
   x = 2,349.25