Finding the Fourth Proportional to 83,927.18, 115,815.89 and 45,686.79

Step by Step Solution

1. Step 1: Write the proportion equation
   83,927.18 : 115,815.89 = 45,686.79 : x
2. Step 2: Convert to fraction form
   83,927.18/115,815.89 = 45,686.79/x
3. Step 3: Cross multiply
   83,927.18x = 115,815.89 × 45,686.79
4. Step 4: Simplify right side
   83,927.18x = 5,291,256,359.31
5. Step 5: Solve for x
   x = 5,291,256,359.31/83,927.18
6. Step 6: Final answer
   x = 63,045.80