Finding the Fourth Proportional to 74,667.68, 103,043.52 and 42,842.24

Step by Step Solution

1. Step 1: Write the proportion equation
   74,667.68 : 103,043.52 = 42,842.24 : x
2. Step 2: Convert to fraction form
   74,667.68/103,043.52 = 42,842.24/x
3. Step 3: Cross multiply
   74,667.68x = 103,043.52 × 42,842.24
4. Step 4: Simplify right side
   74,667.68x = 4,414,615,214.28
5. Step 5: Solve for x
   x = 4,414,615,214.28/74,667.68
6. Step 6: Final answer
   x = 59,123.51