Finding the Fourth Proportional to 1,925.34, 2,889.51 and 830.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.34 : 2,889.51 = 830.49 : x
2. Step 2: Convert to fraction form
   1,925.34/2,889.51 = 830.49/x
3. Step 3: Cross multiply
   1,925.34x = 2,889.51 × 830.49
4. Step 4: Simplify right side
   1,925.34x = 2,399,709.16
5. Step 5: Solve for x
   x = 2,399,709.16/1,925.34
6. Step 6: Final answer
   x = 1,246.38