Finding the Fourth Proportional to 78,328.32, 108,094.98 and 42,518.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,328.32 : 108,094.98 = 42,518.22 : x
2. Step 2: Convert to fraction form
   78,328.32/108,094.98 = 42,518.22/x
3. Step 3: Cross multiply
   78,328.32x = 108,094.98 × 42,518.22
4. Step 4: Simplify right side
   78,328.32x = 4,596,006,140.54
5. Step 5: Solve for x
   x = 4,596,006,140.54/78,328.32
6. Step 6: Final answer
   x = 58,676.17