Finding the Fourth Proportional to 1,430.69, 2,134.06 and 1,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.69 : 2,134.06 = 1,196.96 : x
2. Step 2: Convert to fraction form
   1,430.69/2,134.06 = 1,196.96/x
3. Step 3: Cross multiply
   1,430.69x = 2,134.06 × 1,196.96
4. Step 4: Simplify right side
   1,430.69x = 2,554,384.46
5. Step 5: Solve for x
   x = 2,554,384.46/1,430.69
6. Step 6: Final answer
   x = 1,785.42