Finding the Fourth Proportional to 153,754.72, 212,196.12 and 96,403.12

Step by Step Solution

1. Step 1: Write the proportion equation
   153,754.72 : 212,196.12 = 96,403.12 : x
2. Step 2: Convert to fraction form
   153,754.72/212,196.12 = 96,403.12/x
3. Step 3: Cross multiply
   153,754.72x = 212,196.12 × 96,403.12
4. Step 4: Simplify right side
   153,754.72x = 20,456,368,019.89
5. Step 5: Solve for x
   x = 20,456,368,019.89/153,754.72
6. Step 6: Final answer
   x = 133,045.46