Finding the Fourth Proportional to 89,381.31, 134,071.23 and 36,072.47

Step by Step Solution

1. Step 1: Write the proportion equation
   89,381.31 : 134,071.23 = 36,072.47 : x
2. Step 2: Convert to fraction form
   89,381.31/134,071.23 = 36,072.47/x
3. Step 3: Cross multiply
   89,381.31x = 134,071.23 × 36,072.47
4. Step 4: Simplify right side
   89,381.31x = 4,836,280,560.23
5. Step 5: Solve for x
   x = 4,836,280,560.23/89,381.31
6. Step 6: Final answer
   x = 54,108.41