Finding the Fourth Proportional to 93,686.72, 140,530.32 and 38,282.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,686.72 : 140,530.32 = 38,282.72 : x
2. Step 2: Convert to fraction form
   93,686.72/140,530.32 = 38,282.72/x
3. Step 3: Cross multiply
   93,686.72x = 140,530.32 × 38,282.72
4. Step 4: Simplify right side
   93,686.72x = 5,379,882,892.07
5. Step 5: Solve for x
   x = 5,379,882,892.07/93,686.72
6. Step 6: Final answer
   x = 57,424.18