Finding the Fourth Proportional to 58,897.32, 81,311.82 and 38,812.56

Step by Step Solution

1. Step 1: Write the proportion equation
   58,897.32 : 81,311.82 = 38,812.56 : x
2. Step 2: Convert to fraction form
   58,897.32/81,311.82 = 38,812.56/x
3. Step 3: Cross multiply
   58,897.32x = 81,311.82 × 38,812.56
4. Step 4: Simplify right side
   58,897.32x = 3,155,919,892.46
5. Step 5: Solve for x
   x = 3,155,919,892.46/58,897.32
6. Step 6: Final answer
   x = 53,583.42