Finding the Fourth Proportional to 65,072.16, 89,799.84 and 41,173.92

Step by Step Solution

1. Step 1: Write the proportion equation
   65,072.16 : 89,799.84 = 41,173.92 : x
2. Step 2: Convert to fraction form
   65,072.16/89,799.84 = 41,173.92/x
3. Step 3: Cross multiply
   65,072.16x = 89,799.84 × 41,173.92
4. Step 4: Simplify right side
   65,072.16x = 3,697,411,428.17
5. Step 5: Solve for x
   x = 3,697,411,428.17/65,072.16
6. Step 6: Final answer
   x = 56,820.17