Finding the Fourth Proportional to 116,185.98, 174,280.80 and 45,112.74

Step by Step Solution

1. Step 1: Write the proportion equation
   116,185.98 : 174,280.80 = 45,112.74 : x
2. Step 2: Convert to fraction form
   116,185.98/174,280.80 = 45,112.74/x
3. Step 3: Cross multiply
   116,185.98x = 174,280.80 × 45,112.74
4. Step 4: Simplify right side
   116,185.98x = 7,862,284,417.39
5. Step 5: Solve for x
   x = 7,862,284,417.39/116,185.98
6. Step 6: Final answer
   x = 67,669.82