Finding the Fourth Proportional to 83,650.79, 115,438.92 and 45,410.63

Step by Step Solution

1. Step 1: Write the proportion equation
   83,650.79 : 115,438.92 = 45,410.63 : x
2. Step 2: Convert to fraction form
   83,650.79/115,438.92 = 45,410.63/x
3. Step 3: Cross multiply
   83,650.79x = 115,438.92 × 45,410.63
4. Step 4: Simplify right side
   83,650.79x = 5,242,154,083.72
5. Step 5: Solve for x
   x = 5,242,154,083.72/83,650.79
6. Step 6: Final answer
   x = 62,667.12