Finding the Fourth Proportional to 9,123.63, 13,667.72 and 5,994.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.63 : 13,667.72 = 5,994.12 : x
2. Step 2: Convert to fraction form
   9,123.63/13,667.72 = 5,994.12/x
3. Step 3: Cross multiply
   9,123.63x = 13,667.72 × 5,994.12
4. Step 4: Simplify right side
   9,123.63x = 81,925,953.81
5. Step 5: Solve for x
   x = 81,925,953.81/9,123.63
6. Step 6: Final answer
   x = 8,979.53