Finding the Fourth Proportional to 116,812.70, 161,201.50 and 63,097.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,812.70 : 161,201.50 = 63,097.72 : x
2. Step 2: Convert to fraction form
   116,812.70/161,201.50 = 63,097.72/x
3. Step 3: Cross multiply
   116,812.70x = 161,201.50 × 63,097.72
4. Step 4: Simplify right side
   116,812.70x = 10,171,446,904.76
5. Step 5: Solve for x
   x = 10,171,446,904.76/116,812.70
6. Step 6: Final answer
   x = 87,074.84