Finding the Fourth Proportional to 91,719.34, 137,579.51 and 41,764.61

Step by Step Solution

1. Step 1: Write the proportion equation
   91,719.34 : 137,579.51 = 41,764.61 : x
2. Step 2: Convert to fraction form
   91,719.34/137,579.51 = 41,764.61/x
3. Step 3: Cross multiply
   91,719.34x = 137,579.51 × 41,764.61
4. Step 4: Simplify right side
   91,719.34x = 5,745,955,027.50
5. Step 5: Solve for x
   x = 5,745,955,027.50/91,719.34
6. Step 6: Final answer
   x = 62,647.15