Finding the Fourth Proportional to 59,092.40, 88,619.40 and 19,642.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,092.40 : 88,619.40 = 19,642.80 : x
2. Step 2: Convert to fraction form
   59,092.40/88,619.40 = 19,642.80/x
3. Step 3: Cross multiply
   59,092.40x = 88,619.40 × 19,642.80
4. Step 4: Simplify right side
   59,092.40x = 1,740,733,150.32
5. Step 5: Solve for x
   x = 1,740,733,150.32/59,092.40
6. Step 6: Final answer
   x = 29,457.82