Finding the Fourth Proportional to 1,929.98, 2,900.30 and 1,053.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.98 : 2,900.30 = 1,053.15 : x
2. Step 2: Convert to fraction form
   1,929.98/2,900.30 = 1,053.15/x
3. Step 3: Cross multiply
   1,929.98x = 2,900.30 × 1,053.15
4. Step 4: Simplify right side
   1,929.98x = 3,054,445.68
5. Step 5: Solve for x
   x = 3,054,445.68/1,929.98
6. Step 6: Final answer
   x = 1,582.63