Finding the Fourth Proportional to 78,603.46, 108,475.04 and 42,794.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.46 : 108,475.04 = 42,794.08 : x
2. Step 2: Convert to fraction form
   78,603.46/108,475.04 = 42,794.08/x
3. Step 3: Cross multiply
   78,603.46x = 108,475.04 × 42,794.08
4. Step 4: Simplify right side
   78,603.46x = 4,642,089,375.56
5. Step 5: Solve for x
   x = 4,642,089,375.56/78,603.46
6. Step 6: Final answer
   x = 59,057.06