Finding the Fourth Proportional to 116,258.16, 174,510.12 and 53,988.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,258.16 : 174,510.12 = 53,988.72 : x
2. Step 2: Convert to fraction form
   116,258.16/174,510.12 = 53,988.72/x
3. Step 3: Cross multiply
   116,258.16x = 174,510.12 × 53,988.72
4. Step 4: Simplify right side
   116,258.16x = 9,421,578,005.85
5. Step 5: Solve for x
   x = 9,421,578,005.85/116,258.16
6. Step 6: Final answer
   x = 81,040.14