Finding the Fourth Proportional to 83,380.55, 115,064.01 and 45,654.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,380.55 : 115,064.01 = 45,654.80 : x
2. Step 2: Convert to fraction form
   83,380.55/115,064.01 = 45,654.80/x
3. Step 3: Cross multiply
   83,380.55x = 115,064.01 × 45,654.80
4. Step 4: Simplify right side
   83,380.55x = 5,253,223,788.43
5. Step 5: Solve for x
   x = 5,253,223,788.43/83,380.55
6. Step 6: Final answer
   x = 63,002.99