Finding the Fourth Proportional to 78,794.55, 108,737.01 and 42,984.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,794.55 : 108,737.01 = 42,984.81 : x
2. Step 2: Convert to fraction form
   78,794.55/108,737.01 = 42,984.81/x
3. Step 3: Cross multiply
   78,794.55x = 108,737.01 × 42,984.81
4. Step 4: Simplify right side
   78,794.55x = 4,674,039,714.82
5. Step 5: Solve for x
   x = 4,674,039,714.82/78,794.55
6. Step 6: Final answer
   x = 59,319.33