Finding the Fourth Proportional to 78,441.77, 108,250.32 and 42,631.77

Step by Step Solution

1. Step 1: Write the proportion equation
   78,441.77 : 108,250.32 = 42,631.77 : x
2. Step 2: Convert to fraction form
   78,441.77/108,250.32 = 42,631.77/x
3. Step 3: Cross multiply
   78,441.77x = 108,250.32 × 42,631.77
4. Step 4: Simplify right side
   78,441.77x = 4,614,902,744.67
5. Step 5: Solve for x
   x = 4,614,902,744.67/78,441.77
6. Step 6: Final answer
   x = 58,832.21