Finding the Fourth Proportional to 116,783.86, 161,161.72 and 63,068.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116,783.86 : 161,161.72 = 63,068.88 : x
2. Step 2: Convert to fraction form
   116,783.86/161,161.72 = 63,068.88/x
3. Step 3: Cross multiply
   116,783.86x = 161,161.72 × 63,068.88
4. Step 4: Simplify right side
   116,783.86x = 10,164,289,021.60
5. Step 5: Solve for x
   x = 10,164,289,021.60/116,783.86
6. Step 6: Final answer
   x = 87,035.05