Finding the Fourth Proportional to 78,736.21, 118,092.12 and 28,804.63

Step by Step Solution

1. Step 1: Write the proportion equation
   78,736.21 : 118,092.12 = 28,804.63 : x
2. Step 2: Convert to fraction form
   78,736.21/118,092.12 = 28,804.63/x
3. Step 3: Cross multiply
   78,736.21x = 118,092.12 × 28,804.63
4. Step 4: Simplify right side
   78,736.21x = 3,401,599,822.52
5. Step 5: Solve for x
   x = 3,401,599,822.52/78,736.21
6. Step 6: Final answer
   x = 43,202.48