Finding the Fourth Proportional to 72,897.50, 109,353 and 33,448.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,897.50 : 109,353 = 33,448.88 : x
2. Step 2: Convert to fraction form
   72,897.50/109,353 = 33,448.88/x
3. Step 3: Cross multiply
   72,897.50x = 109,353 × 33,448.88
4. Step 4: Simplify right side
   72,897.50x = 3,657,735,374.64
5. Step 5: Solve for x
   x = 3,657,735,374.64/72,897.50
6. Step 6: Final answer
   x = 50,176.42