Finding the Fourth Proportional to 91,581.21, 126,383.33 and 59,731.83

Step by Step Solution

1. Step 1: Write the proportion equation
   91,581.21 : 126,383.33 = 59,731.83 : x
2. Step 2: Convert to fraction form
   91,581.21/126,383.33 = 59,731.83/x
3. Step 3: Cross multiply
   91,581.21x = 126,383.33 × 59,731.83
4. Step 4: Simplify right side
   91,581.21x = 7,549,107,731.72
5. Step 5: Solve for x
   x = 7,549,107,731.72/91,581.21
6. Step 6: Final answer
   x = 82,430.75