Finding the Fourth Proportional to 78,056.56, 107,718.04 and 42,246.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,056.56 : 107,718.04 = 42,246.84 : x
2. Step 2: Convert to fraction form
   78,056.56/107,718.04 = 42,246.84/x
3. Step 3: Cross multiply
   78,056.56x = 107,718.04 × 42,246.84
4. Step 4: Simplify right side
   78,056.56x = 4,550,746,800.99
5. Step 5: Solve for x
   x = 4,550,746,800.99/78,056.56
6. Step 6: Final answer
   x = 58,300.63