Finding the Fourth Proportional to 91,645.02, 137,469.34 and 41,690.30

Step by Step Solution

1. Step 1: Write the proportion equation
   91,645.02 : 137,469.34 = 41,690.30 : x
2. Step 2: Convert to fraction form
   91,645.02/137,469.34 = 41,690.30/x
3. Step 3: Cross multiply
   91,645.02x = 137,469.34 × 41,690.30
4. Step 4: Simplify right side
   91,645.02x = 5,731,138,025.40
5. Step 5: Solve for x
   x = 5,731,138,025.40/91,645.02
6. Step 6: Final answer
   x = 62,536.27