Finding the Fourth Proportional to 78,935.63, 108,931.16 and 45,401.63

Step by Step Solution

1. Step 1: Write the proportion equation
   78,935.63 : 108,931.16 = 45,401.63 : x
2. Step 2: Convert to fraction form
   78,935.63/108,931.16 = 45,401.63/x
3. Step 3: Cross multiply
   78,935.63x = 108,931.16 × 45,401.63
4. Step 4: Simplify right side
   78,935.63x = 4,945,651,790.64
5. Step 5: Solve for x
   x = 4,945,651,790.64/78,935.63
6. Step 6: Final answer
   x = 62,654.24