Finding the Fourth Proportional to 78,744.42, 118,116.15 and 28,827.99

Step by Step Solution

1. Step 1: Write the proportion equation
   78,744.42 : 118,116.15 = 28,827.99 : x
2. Step 2: Convert to fraction form
   78,744.42/118,116.15 = 28,827.99/x
3. Step 3: Cross multiply
   78,744.42x = 118,116.15 × 28,827.99
4. Step 4: Simplify right side
   78,744.42x = 3,405,051,191.04
5. Step 5: Solve for x
   x = 3,405,051,191.04/78,744.42
6. Step 6: Final answer
   x = 43,241.81