Finding the Fourth Proportional to 134,415.72, 201,667.32 and 64,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,415.72 : 201,667.32 = 64,300.50 : x
2. Step 2: Convert to fraction form
   134,415.72/201,667.32 = 64,300.50/x
3. Step 3: Cross multiply
   134,415.72x = 201,667.32 × 64,300.50
4. Step 4: Simplify right side
   134,415.72x = 12,967,309,509.66
5. Step 5: Solve for x
   x = 12,967,309,509.66/134,415.72
6. Step 6: Final answer
   x = 96,471.67