Finding the Fourth Proportional to 74,443.60, 102,741.04 and 42,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,443.60 : 102,741.04 = 42,622.72 : x
2. Step 2: Convert to fraction form
   74,443.60/102,741.04 = 42,622.72/x
3. Step 3: Cross multiply
   74,443.60x = 102,741.04 × 42,622.72
4. Step 4: Simplify right side
   74,443.60x = 4,379,102,580.43
5. Step 5: Solve for x
   x = 4,379,102,580.43/74,443.60
6. Step 6: Final answer
   x = 58,824.43