Finding the Fourth Proportional to 58,857.34, 81,182.01 and 38,707.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,857.34 : 81,182.01 = 38,707.78 : x
2. Step 2: Convert to fraction form
   58,857.34/81,182.01 = 38,707.78/x
3. Step 3: Cross multiply
   58,857.34x = 81,182.01 × 38,707.78
4. Step 4: Simplify right side
   58,857.34x = 3,142,375,189.50
5. Step 5: Solve for x
   x = 3,142,375,189.50/58,857.34
6. Step 6: Final answer
   x = 53,389.69