Finding the Fourth Proportional to 72,064.98, 108,108.99 and 30,518.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,064.98 : 108,108.99 = 30,518.10 : x
2. Step 2: Convert to fraction form
   72,064.98/108,108.99 = 30,518.10/x
3. Step 3: Cross multiply
   72,064.98x = 108,108.99 × 30,518.10
4. Step 4: Simplify right side
   72,064.98x = 3,299,280,967.72
5. Step 5: Solve for x
   x = 3,299,280,967.72/72,064.98
6. Step 6: Final answer
   x = 45,782.03