Finding the Fourth Proportional to 1,430.00, 1,973.55 and 800.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.00 : 1,973.55 = 800.58 : x
2. Step 2: Convert to fraction form
   1,430.00/1,973.55 = 800.58/x
3. Step 3: Cross multiply
   1,430.00x = 1,973.55 × 800.58
4. Step 4: Simplify right side
   1,430.00x = 1,579,990.56
5. Step 5: Solve for x
   x = 1,579,990.56/1,430.00
6. Step 6: Final answer
   x = 1,104.89