Finding the Fourth Proportional to 84,766.53, 116,978.27 and 47,040.78

Step by Step Solution

1. Step 1: Write the proportion equation
   84,766.53 : 116,978.27 = 47,040.78 : x
2. Step 2: Convert to fraction form
   84,766.53/116,978.27 = 47,040.78/x
3. Step 3: Cross multiply
   84,766.53x = 116,978.27 × 47,040.78
4. Step 4: Simplify right side
   84,766.53x = 5,502,748,828.65
5. Step 5: Solve for x
   x = 5,502,748,828.65/84,766.53
6. Step 6: Final answer
   x = 64,916.53