Finding the Fourth Proportional to 74,632.92, 102,985.59 and 42,357.27

Step by Step Solution

1. Step 1: Write the proportion equation
   74,632.92 : 102,985.59 = 42,357.27 : x
2. Step 2: Convert to fraction form
   74,632.92/102,985.59 = 42,357.27/x
3. Step 3: Cross multiply
   74,632.92x = 102,985.59 × 42,357.27
4. Step 4: Simplify right side
   74,632.92x = 4,362,188,441.74
5. Step 5: Solve for x
   x = 4,362,188,441.74/74,632.92
6. Step 6: Final answer
   x = 58,448.58