Finding the Fourth Proportional to 83,641.44, 115,424.72 and 45,401.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,641.44 : 115,424.72 = 45,401.76 : x
2. Step 2: Convert to fraction form
   83,641.44/115,424.72 = 45,401.76/x
3. Step 3: Cross multiply
   83,641.44x = 115,424.72 × 45,401.76
4. Step 4: Simplify right side
   83,641.44x = 5,240,485,435.51
5. Step 5: Solve for x
   x = 5,240,485,435.51/83,641.44
6. Step 6: Final answer
   x = 62,654.18