Finding the Fourth Proportional to 78,513.00, 117,800.98 and 28,596.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,513.00 : 117,800.98 = 28,596.54 : x
2. Step 2: Convert to fraction form
   78,513.00/117,800.98 = 28,596.54/x
3. Step 3: Cross multiply
   78,513.00x = 117,800.98 × 28,596.54
4. Step 4: Simplify right side
   78,513.00x = 3,368,700,967.73
5. Step 5: Solve for x
   x = 3,368,700,967.73/78,513.00
6. Step 6: Final answer
   x = 42,906.28