Finding the Fourth Proportional to 123,611.71, 185,417.50 and 117,300.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,611.71 : 185,417.50 = 117,300.84 : x
2. Step 2: Convert to fraction form
   123,611.71/185,417.50 = 117,300.84/x
3. Step 3: Cross multiply
   123,611.71x = 185,417.50 × 117,300.84
4. Step 4: Simplify right side
   123,611.71x = 21,749,628,500.70
5. Step 5: Solve for x
   x = 21,749,628,500.70/123,611.71
6. Step 6: Final answer
   x = 175,951.20