Finding the Fourth Proportional to 64,435.72, 96,667.48 and 19,453.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64,435.72 : 96,667.48 = 19,453.34 : x
2. Step 2: Convert to fraction form
   64,435.72/96,667.48 = 19,453.34/x
3. Step 3: Cross multiply
   64,435.72x = 96,667.48 × 19,453.34
4. Step 4: Simplify right side
   64,435.72x = 1,880,505,367.17
5. Step 5: Solve for x
   x = 1,880,505,367.17/64,435.72
6. Step 6: Final answer
   x = 29,184.21