Finding the Fourth Proportional to 72,804.80, 109,061.40 and 41,603.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72,804.80 : 109,061.40 = 41,603.60 : x
2. Step 2: Convert to fraction form
   72,804.80/109,061.40 = 41,603.60/x
3. Step 3: Cross multiply
   72,804.80x = 109,061.40 × 41,603.60
4. Step 4: Simplify right side
   72,804.80x = 4,537,346,861.04
5. Step 5: Solve for x
   x = 4,537,346,861.04/72,804.80
6. Step 6: Final answer
   x = 62,322.08