Finding the Fourth Proportional to 59,415.93, 89,143.76 and 19,436.73

Step by Step Solution

1. Step 1: Write the proportion equation
   59,415.93 : 89,143.76 = 19,436.73 : x
2. Step 2: Convert to fraction form
   59,415.93/89,143.76 = 19,436.73/x
3. Step 3: Cross multiply
   59,415.93x = 89,143.76 × 19,436.73
4. Step 4: Simplify right side
   59,415.93x = 1,732,663,097.12
5. Step 5: Solve for x
   x = 1,732,663,097.12/59,415.93
6. Step 6: Final answer
   x = 29,161.59