Finding the Fourth Proportional to 73,152.78, 109,729.14 and 17,748.78

Step by Step Solution

1. Step 1: Write the proportion equation
   73,152.78 : 109,729.14 = 17,748.78 : x
2. Step 2: Convert to fraction form
   73,152.78/109,729.14 = 17,748.78/x
3. Step 3: Cross multiply
   73,152.78x = 109,729.14 × 17,748.78
4. Step 4: Simplify right side
   73,152.78x = 1,947,558,365.45
5. Step 5: Solve for x
   x = 1,947,558,365.45/73,152.78
6. Step 6: Final answer
   x = 26,623.16