Finding the Fourth Proportional to 1,200.76, 1,791.97 and 1,051.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.76 : 1,791.97 = 1,051.86 : x
2. Step 2: Convert to fraction form
   1,200.76/1,791.97 = 1,051.86/x
3. Step 3: Cross multiply
   1,200.76x = 1,791.97 × 1,051.86
4. Step 4: Simplify right side
   1,200.76x = 1,884,901.56
5. Step 5: Solve for x
   x = 1,884,901.56/1,200.76
6. Step 6: Final answer
   x = 1,569.76