Finding the Fourth Proportional to 72,804.21, 100,454.28 and 42,583.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,804.21 : 100,454.28 = 42,583.62 : x
2. Step 2: Convert to fraction form
   72,804.21/100,454.28 = 42,583.62/x
3. Step 3: Cross multiply
   72,804.21x = 100,454.28 × 42,583.62
4. Step 4: Simplify right side
   72,804.21x = 4,277,706,886.89
5. Step 5: Solve for x
   x = 4,277,706,886.89/72,804.21
6. Step 6: Final answer
   x = 58,756.31