Finding the Fourth Proportional to 116,785.10, 161,163.41 and 63,070.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116,785.10 : 161,163.41 = 63,070.10 : x
2. Step 2: Convert to fraction form
   116,785.10/161,163.41 = 63,070.10/x
3. Step 3: Cross multiply
   116,785.10x = 161,163.41 × 63,070.10
4. Step 4: Simplify right side
   116,785.10x = 10,164,592,069.69
5. Step 5: Solve for x
   x = 10,164,592,069.69/116,785.10
6. Step 6: Final answer
   x = 87,036.72