Finding the Fourth Proportional to 1,501.34, 2,077.53 and 1,279.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.34 : 2,077.53 = 1,279.94 : x
2. Step 2: Convert to fraction form
   1,501.34/2,077.53 = 1,279.94/x
3. Step 3: Cross multiply
   1,501.34x = 2,077.53 × 1,279.94
4. Step 4: Simplify right side
   1,501.34x = 2,659,113.75
5. Step 5: Solve for x
   x = 2,659,113.75/1,501.34
6. Step 6: Final answer
   x = 1,771.16