Finding the Fourth Proportional to 74,518.38, 102,834.86 and 42,259.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,518.38 : 102,834.86 = 42,259.10 : x
2. Step 2: Convert to fraction form
   74,518.38/102,834.86 = 42,259.10/x
3. Step 3: Cross multiply
   74,518.38x = 102,834.86 × 42,259.10
4. Step 4: Simplify right side
   74,518.38x = 4,345,707,906.76
5. Step 5: Solve for x
   x = 4,345,707,906.76/74,518.38
6. Step 6: Final answer
   x = 58,317.26