Finding the Fourth Proportional to 83,381.05, 115,064.70 and 45,655.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,381.05 : 115,064.70 = 45,655.30 : x
2. Step 2: Convert to fraction form
   83,381.05/115,064.70 = 45,655.30/x
3. Step 3: Cross multiply
   83,381.05x = 115,064.70 × 45,655.30
4. Step 4: Simplify right side
   83,381.05x = 5,253,312,822.59
5. Step 5: Solve for x
   x = 5,253,312,822.59/83,381.05
6. Step 6: Final answer
   x = 63,003.68