Finding the Fourth Proportional to 83,633.69, 115,415.35 and 45,393.57

Step by Step Solution

1. Step 1: Write the proportion equation
   83,633.69 : 115,415.35 = 45,393.57 : x
2. Step 2: Convert to fraction form
   83,633.69/115,415.35 = 45,393.57/x
3. Step 3: Cross multiply
   83,633.69x = 115,415.35 × 45,393.57
4. Step 4: Simplify right side
   83,633.69x = 5,239,114,655.82
5. Step 5: Solve for x
   x = 5,239,114,655.82/83,633.69
6. Step 6: Final answer
   x = 62,643.59