Finding the Fourth Proportional to 28,300.32, 42,462.18 and 14,252.81

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300.32 : 42,462.18 = 14,252.81 : x
2. Step 2: Convert to fraction form
   28,300.32/42,462.18 = 14,252.81/x
3. Step 3: Cross multiply
   28,300.32x = 42,462.18 × 14,252.81
4. Step 4: Simplify right side
   28,300.32x = 605,205,171.41
5. Step 5: Solve for x
   x = 605,205,171.41/28,300.32
6. Step 6: Final answer
   x = 21,385.10