Finding the Fourth Proportional to 76,737.72, 105,900.94 and 42,283.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,737.72 : 105,900.94 = 42,283.88 : x
2. Step 2: Convert to fraction form
   76,737.72/105,900.94 = 42,283.88/x
3. Step 3: Cross multiply
   76,737.72x = 105,900.94 × 42,283.88
4. Step 4: Simplify right side
   76,737.72x = 4,477,902,638.85
5. Step 5: Solve for x
   x = 4,477,902,638.85/76,737.72
6. Step 6: Final answer
   x = 58,353.34