Finding the Fourth Proportional to 83,530.89, 115,272.63 and 45,805.95

Step by Step Solution

1. Step 1: Write the proportion equation
   83,530.89 : 115,272.63 = 45,805.95 : x
2. Step 2: Convert to fraction form
   83,530.89/115,272.63 = 45,805.95/x
3. Step 3: Cross multiply
   83,530.89x = 115,272.63 × 45,805.95
4. Step 4: Simplify right side
   83,530.89x = 5,280,172,326.15
5. Step 5: Solve for x
   x = 5,280,172,326.15/83,530.89
6. Step 6: Final answer
   x = 63,212.21