Finding the Fourth Proportional to 93,960.72, 140,971.80 and 34,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,960.72 : 140,971.80 = 34,800.72 : x
2. Step 2: Convert to fraction form
   93,960.72/140,971.80 = 34,800.72/x
3. Step 3: Cross multiply
   93,960.72x = 140,971.80 × 34,800.72
4. Step 4: Simplify right side
   93,960.72x = 4,905,920,139.70
5. Step 5: Solve for x
   x = 4,905,920,139.70/93,960.72
6. Step 6: Final answer
   x = 52,212.46