Finding the Fourth Proportional to 109,436.84, 164,075.33 and 73,809.60

Step by Step Solution

1. Step 1: Write the proportion equation
   109,436.84 : 164,075.33 = 73,809.60 : x
2. Step 2: Convert to fraction form
   109,436.84/164,075.33 = 73,809.60/x
3. Step 3: Cross multiply
   109,436.84x = 164,075.33 × 73,809.60
4. Step 4: Simplify right side
   109,436.84x = 12,110,334,108.12
5. Step 5: Solve for x
   x = 12,110,334,108.12/109,436.84
6. Step 6: Final answer
   x = 110,660.49