Finding the Fourth Proportional to 110,667.62, 165,916.38 and 57,302.40

Step by Step Solution

1. Step 1: Write the proportion equation
   110,667.62 : 165,916.38 = 57,302.40 : x
2. Step 2: Convert to fraction form
   110,667.62/165,916.38 = 57,302.40/x
3. Step 3: Cross multiply
   110,667.62x = 165,916.38 × 57,302.40
4. Step 4: Simplify right side
   110,667.62x = 9,507,406,773.31
5. Step 5: Solve for x
   x = 9,507,406,773.31/110,667.62
6. Step 6: Final answer
   x = 85,909.56