Finding the Fourth Proportional to 59,405.82, 89,101.28 and 19,421.46

Step by Step Solution

1. Step 1: Write the proportion equation
   59,405.82 : 89,101.28 = 19,421.46 : x
2. Step 2: Convert to fraction form
   59,405.82/89,101.28 = 19,421.46/x
3. Step 3: Cross multiply
   59,405.82x = 89,101.28 × 19,421.46
4. Step 4: Simplify right side
   59,405.82x = 1,730,476,848.36
5. Step 5: Solve for x
   x = 1,730,476,848.36/59,405.82
6. Step 6: Final answer
   x = 29,129.75