Finding the Fourth Proportional to 76,314.65, 105,314.20 and 42,328.33

Step by Step Solution

1. Step 1: Write the proportion equation
   76,314.65 : 105,314.20 = 42,328.33 : x
2. Step 2: Convert to fraction form
   76,314.65/105,314.20 = 42,328.33/x
3. Step 3: Cross multiply
   76,314.65x = 105,314.20 × 42,328.33
4. Step 4: Simplify right side
   76,314.65x = 4,457,773,842.18
5. Step 5: Solve for x
   x = 4,457,773,842.18/76,314.65
6. Step 6: Final answer
   x = 58,413.08