Finding the Fourth Proportional to 78,784.53, 118,078.38 and 31,350.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,784.53 : 118,078.38 = 31,350.93 : x
2. Step 2: Convert to fraction form
   78,784.53/118,078.38 = 31,350.93/x
3. Step 3: Cross multiply
   78,784.53x = 118,078.38 × 31,350.93
4. Step 4: Simplify right side
   78,784.53x = 3,701,867,025.89
5. Step 5: Solve for x
   x = 3,701,867,025.89/78,784.53
6. Step 6: Final answer
   x = 46,987.23