Finding the Fourth Proportional to 123,903.30, 186,687.86 and 112,070.24

Step by Step Solution

1. Step 1: Write the proportion equation
   123,903.30 : 186,687.86 = 112,070.24 : x
2. Step 2: Convert to fraction form
   123,903.30/186,687.86 = 112,070.24/x
3. Step 3: Cross multiply
   123,903.30x = 186,687.86 × 112,070.24
4. Step 4: Simplify right side
   123,903.30x = 20,922,153,275.29
5. Step 5: Solve for x
   x = 20,922,153,275.29/123,903.30
6. Step 6: Final answer
   x = 168,858.73