Finding the Fourth Proportional to 78,654.10, 108,544.64 and 42,846.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,654.10 : 108,544.64 = 42,846.02 : x
2. Step 2: Convert to fraction form
   78,654.10/108,544.64 = 42,846.02/x
3. Step 3: Cross multiply
   78,654.10x = 108,544.64 × 42,846.02
4. Step 4: Simplify right side
   78,654.10x = 4,650,705,816.33
5. Step 5: Solve for x
   x = 4,650,705,816.33/78,654.10
6. Step 6: Final answer
   x = 59,128.59