Finding the Fourth Proportional to 68,405.61, 94,401.34 and 42,913.05

Step by Step Solution

1. Step 1: Write the proportion equation
   68,405.61 : 94,401.34 = 42,913.05 : x
2. Step 2: Convert to fraction form
   68,405.61/94,401.34 = 42,913.05/x
3. Step 3: Cross multiply
   68,405.61x = 94,401.34 × 42,913.05
4. Step 4: Simplify right side
   68,405.61x = 4,051,049,423.49
5. Step 5: Solve for x
   x = 4,051,049,423.49/68,405.61
6. Step 6: Final answer
   x = 59,221.01