Finding the Fourth Proportional to 59,399.61, 89,112.70 and 19,955.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,399.61 : 89,112.70 = 19,955.64 : x
2. Step 2: Convert to fraction form
   59,399.61/89,112.70 = 19,955.64/x
3. Step 3: Cross multiply
   59,399.61x = 89,112.70 × 19,955.64
4. Step 4: Simplify right side
   59,399.61x = 1,778,300,960.63
5. Step 5: Solve for x
   x = 1,778,300,960.63/59,399.61
6. Step 6: Final answer
   x = 29,937.92