Finding the Fourth Proportional to 113,510.56, 156,645.60 and 63,210.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,510.56 : 156,645.60 = 63,210.56 : x
2. Step 2: Convert to fraction form
   113,510.56/156,645.60 = 63,210.56/x
3. Step 3: Cross multiply
   113,510.56x = 156,645.60 × 63,210.56
4. Step 4: Simplify right side
   113,510.56x = 9,901,656,097.54
5. Step 5: Solve for x
   x = 9,901,656,097.54/113,510.56
6. Step 6: Final answer
   x = 87,231.14