Finding the Fourth Proportional to 93,685.72, 140,528.82 and 38,281.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,685.72 : 140,528.82 = 38,281.72 : x
2. Step 2: Convert to fraction form
   93,685.72/140,528.82 = 38,281.72/x
3. Step 3: Cross multiply
   93,685.72x = 140,528.82 × 38,281.72
4. Step 4: Simplify right side
   93,685.72x = 5,379,684,939.17
5. Step 5: Solve for x
   x = 5,379,684,939.17/93,685.72
6. Step 6: Final answer
   x = 57,422.68