Finding the Fourth Proportional to 72,443.30, 108,642.45 and 34,980.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,443.30 : 108,642.45 = 34,980.08 : x
2. Step 2: Convert to fraction form
   72,443.30/108,642.45 = 34,980.08/x
3. Step 3: Cross multiply
   72,443.30x = 108,642.45 × 34,980.08
4. Step 4: Simplify right side
   72,443.30x = 3,800,321,864.00
5. Step 5: Solve for x
   x = 3,800,321,864.00/72,443.30
6. Step 6: Final answer
   x = 52,459.26