Finding the Fourth Proportional to 112,667.24, 169,032.65 and 56,439.47

Step by Step Solution

1. Step 1: Write the proportion equation
   112,667.24 : 169,032.65 = 56,439.47 : x
2. Step 2: Convert to fraction form
   112,667.24/169,032.65 = 56,439.47/x
3. Step 3: Cross multiply
   112,667.24x = 169,032.65 × 56,439.47
4. Step 4: Simplify right side
   112,667.24x = 9,540,112,051.33
5. Step 5: Solve for x
   x = 9,540,112,051.33/112,667.24
6. Step 6: Final answer
   x = 84,675.12