Finding the Fourth Proportional to 78,614.94, 108,485.02 and 42,804.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,614.94 : 108,485.02 = 42,804.88 : x
2. Step 2: Convert to fraction form
   78,614.94/108,485.02 = 42,804.88/x
3. Step 3: Cross multiply
   78,614.94x = 108,485.02 × 42,804.88
4. Step 4: Simplify right side
   78,614.94x = 4,643,688,262.90
5. Step 5: Solve for x
   x = 4,643,688,262.90/78,614.94
6. Step 6: Final answer
   x = 59,068.78