Finding the Fourth Proportional to 83,427.17, 115,128.54 and 45,185.99

Step by Step Solution

1. Step 1: Write the proportion equation
   83,427.17 : 115,128.54 = 45,185.99 : x
2. Step 2: Convert to fraction form
   83,427.17/115,128.54 = 45,185.99/x
3. Step 3: Cross multiply
   83,427.17x = 115,128.54 × 45,185.99
4. Step 4: Simplify right side
   83,427.17x = 5,202,196,481.51
5. Step 5: Solve for x
   x = 5,202,196,481.51/83,427.17
6. Step 6: Final answer
   x = 62,356.15