Finding the Fourth Proportional to 91,860.10, 137,725.35 and 41,964.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,860.10 : 137,725.35 = 41,964.10 : x
2. Step 2: Convert to fraction form
   91,860.10/137,725.35 = 41,964.10/x
3. Step 3: Cross multiply
   91,860.10x = 137,725.35 × 41,964.10
4. Step 4: Simplify right side
   91,860.10x = 5,779,520,359.94
5. Step 5: Solve for x
   x = 5,779,520,359.94/91,860.10
6. Step 6: Final answer
   x = 62,916.55