Finding the Fourth Proportional to 83,644.61, 115,429.67 and 45,404.14

Step by Step Solution

1. Step 1: Write the proportion equation
   83,644.61 : 115,429.67 = 45,404.14 : x
2. Step 2: Convert to fraction form
   83,644.61/115,429.67 = 45,404.14/x
3. Step 3: Cross multiply
   83,644.61x = 115,429.67 × 45,404.14
4. Step 4: Simplify right side
   83,644.61x = 5,240,984,896.83
5. Step 5: Solve for x
   x = 5,240,984,896.83/83,644.61
6. Step 6: Final answer
   x = 62,657.77