Finding the Fourth Proportional to 31,268.72, 46,870.68 and 19,555.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,268.72 : 46,870.68 = 19,555.04 : x
2. Step 2: Convert to fraction form
   31,268.72/46,870.68 = 19,555.04/x
3. Step 3: Cross multiply
   31,268.72x = 46,870.68 × 19,555.04
4. Step 4: Simplify right side
   31,268.72x = 916,558,022.23
5. Step 5: Solve for x
   x = 916,558,022.23/31,268.72
6. Step 6: Final answer
   x = 29,312.30