Finding the Fourth Proportional to 43,061.04, 64,214.72 and 42,667.36

Step by Step Solution

1. Step 1: Write the proportion equation
   43,061.04 : 64,214.72 = 42,667.36 : x
2. Step 2: Convert to fraction form
   43,061.04/64,214.72 = 42,667.36/x
3. Step 3: Cross multiply
   43,061.04x = 64,214.72 × 42,667.36
4. Step 4: Simplify right side
   43,061.04x = 2,739,872,575.54
5. Step 5: Solve for x
   x = 2,739,872,575.54/43,061.04
6. Step 6: Final answer
   x = 63,627.65