Finding the Fourth Proportional to 116,784.86, 161,163.10 and 63,069.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116,784.86 : 161,163.10 = 63,069.88 : x
2. Step 2: Convert to fraction form
   116,784.86/161,163.10 = 63,069.88/x
3. Step 3: Cross multiply
   116,784.86x = 161,163.10 × 63,069.88
4. Step 4: Simplify right side
   116,784.86x = 10,164,537,377.43
5. Step 5: Solve for x
   x = 10,164,537,377.43/116,784.86
6. Step 6: Final answer
   x = 87,036.43