Finding the Fourth Proportional to 76,204.34, 105,162.82 and 42,213.34

Step by Step Solution

1. Step 1: Write the proportion equation
   76,204.34 : 105,162.82 = 42,213.34 : x
2. Step 2: Convert to fraction form
   76,204.34/105,162.82 = 42,213.34/x
3. Step 3: Cross multiply
   76,204.34x = 105,162.82 × 42,213.34
4. Step 4: Simplify right side
   76,204.34x = 4,439,273,876.02
5. Step 5: Solve for x
   x = 4,439,273,876.02/76,204.34
6. Step 6: Final answer
   x = 58,254.87