Finding the Fourth Proportional to 85,365.36, 128,061.90 and 32,061.45

Step by Step Solution

1. Step 1: Write the proportion equation
   85,365.36 : 128,061.90 = 32,061.45 : x
2. Step 2: Convert to fraction form
   85,365.36/128,061.90 = 32,061.45/x
3. Step 3: Cross multiply
   85,365.36x = 128,061.90 × 32,061.45
4. Step 4: Simplify right side
   85,365.36x = 4,105,850,203.76
5. Step 5: Solve for x
   x = 4,105,850,203.76/85,365.36
6. Step 6: Final answer
   x = 48,097.38