Finding the Fourth Proportional to 78,376.12, 108,159.83 and 42,566.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,376.12 : 108,159.83 = 42,566.83 : x
2. Step 2: Convert to fraction form
   78,376.12/108,159.83 = 42,566.83/x
3. Step 3: Cross multiply
   78,376.12x = 108,159.83 × 42,566.83
4. Step 4: Simplify right side
   78,376.12x = 4,604,021,096.44
5. Step 5: Solve for x
   x = 4,604,021,096.44/78,376.12
6. Step 6: Final answer
   x = 58,742.65