Finding the Fourth Proportional to 76,356.32, 105,371.52 and 42,823.04

Step by Step Solution

1. Step 1: Write the proportion equation
   76,356.32 : 105,371.52 = 42,823.04 : x
2. Step 2: Convert to fraction form
   76,356.32/105,371.52 = 42,823.04/x
3. Step 3: Cross multiply
   76,356.32x = 105,371.52 × 42,823.04
4. Step 4: Simplify right side
   76,356.32x = 4,512,328,815.82
5. Step 5: Solve for x
   x = 4,512,328,815.82/76,356.32
6. Step 6: Final answer
   x = 59,095.68