Finding the Fourth Proportional to 2,975.39, 4,462.95 and 784.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,975.39 : 4,462.95 = 784.07 : x
2. Step 2: Convert to fraction form
   2,975.39/4,462.95 = 784.07/x
3. Step 3: Cross multiply
   2,975.39x = 4,462.95 × 784.07
4. Step 4: Simplify right side
   2,975.39x = 3,499,242.89
5. Step 5: Solve for x
   x = 3,499,242.89/2,975.39
6. Step 6: Final answer
   x = 1,176.06