Finding the Fourth Proportional to 78,275.24, 108,019.87 and 42,465.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,275.24 : 108,019.87 = 42,465.24 : x
2. Step 2: Convert to fraction form
   78,275.24/108,019.87 = 42,465.24/x
3. Step 3: Cross multiply
   78,275.24x = 108,019.87 × 42,465.24
4. Step 4: Simplify right side
   78,275.24x = 4,587,089,704.32
5. Step 5: Solve for x
   x = 4,587,089,704.32/78,275.24
6. Step 6: Final answer
   x = 58,602.05