Finding the Fourth Proportional to 78,598.73, 108,467.68 and 42,789.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,598.73 : 108,467.68 = 42,789.34 : x
2. Step 2: Convert to fraction form
   78,598.73/108,467.68 = 42,789.34/x
3. Step 3: Cross multiply
   78,598.73x = 108,467.68 × 42,789.34
4. Step 4: Simplify right side
   78,598.73x = 4,641,260,362.65
5. Step 5: Solve for x
   x = 4,641,260,362.65/78,598.73
6. Step 6: Final answer
   x = 59,050.07