Finding the Fourth Proportional to 1,292.52, 1,775.89 and 1,030.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,292.52 : 1,775.89 = 1,030.08 : x
2. Step 2: Convert to fraction form
   1,292.52/1,775.89 = 1,030.08/x
3. Step 3: Cross multiply
   1,292.52x = 1,775.89 × 1,030.08
4. Step 4: Simplify right side
   1,292.52x = 1,829,308.77
5. Step 5: Solve for x
   x = 1,829,308.77/1,292.52
6. Step 6: Final answer
   x = 1,415.30