Finding the Fourth Proportional to 42,667.14, 64,008.15 and 14,590.01

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667.14 : 64,008.15 = 14,590.01 : x
2. Step 2: Convert to fraction form
   42,667.14/64,008.15 = 14,590.01/x
3. Step 3: Cross multiply
   42,667.14x = 64,008.15 × 14,590.01
4. Step 4: Simplify right side
   42,667.14x = 933,879,228.54
5. Step 5: Solve for x
   x = 933,879,228.54/42,667.14
6. Step 6: Final answer
   x = 21,887.55