Finding the Fourth Proportional to 104,156.31, 143,738.37 and 63,892.29

Step by Step Solution

1. Step 1: Write the proportion equation
   104,156.31 : 143,738.37 = 63,892.29 : x
2. Step 2: Convert to fraction form
   104,156.31/143,738.37 = 63,892.29/x
3. Step 3: Cross multiply
   104,156.31x = 143,738.37 × 63,892.29
4. Step 4: Simplify right side
   104,156.31x = 9,183,773,620.17
5. Step 5: Solve for x
   x = 9,183,773,620.17/104,156.31
6. Step 6: Final answer
   x = 88,172.99