Finding the Fourth Proportional to 83,921.58, 115,814.71 and 45,684.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,921.58 : 115,814.71 = 45,684.28 : x
2. Step 2: Convert to fraction form
   83,921.58/115,814.71 = 45,684.28/x
3. Step 3: Cross multiply
   83,921.58x = 115,814.71 × 45,684.28
4. Step 4: Simplify right side
   83,921.58x = 5,290,911,639.76
5. Step 5: Solve for x
   x = 5,290,911,639.76/83,921.58
6. Step 6: Final answer
   x = 63,045.90