Finding the Fourth Proportional to 42,765.32, 64,131.58 and 14,680.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,765.32 : 64,131.58 = 14,680.14 : x
2. Step 2: Convert to fraction form
   42,765.32/64,131.58 = 14,680.14/x
3. Step 3: Cross multiply
   42,765.32x = 64,131.58 × 14,680.14
4. Step 4: Simplify right side
   42,765.32x = 941,460,572.82
5. Step 5: Solve for x
   x = 941,460,572.82/42,765.32
6. Step 6: Final answer
   x = 22,014.58