Finding the Fourth Proportional to 59,431.34, 89,128.16 and 19,441.08

Step by Step Solution

1. Step 1: Write the proportion equation
   59,431.34 : 89,128.16 = 19,441.08 : x
2. Step 2: Convert to fraction form
   59,431.34/89,128.16 = 19,441.08/x
3. Step 3: Cross multiply
   59,431.34x = 89,128.16 × 19,441.08
4. Step 4: Simplify right side
   59,431.34x = 1,732,747,688.81
5. Step 5: Solve for x
   x = 1,732,747,688.81/59,431.34
6. Step 6: Final answer
   x = 29,155.45