Finding the Fourth Proportional to 153,607.50, 211,978.35 and 82,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,607.50 : 211,978.35 = 82,951.50 : x
2. Step 2: Convert to fraction form
   153,607.50/211,978.35 = 82,951.50/x
3. Step 3: Cross multiply
   153,607.50x = 211,978.35 × 82,951.50
4. Step 4: Simplify right side
   153,607.50x = 17,583,922,100.03
5. Step 5: Solve for x
   x = 17,583,922,100.03/153,607.50
6. Step 6: Final answer
   x = 114,473.07