Finding the Fourth Proportional to 116,821, 161,212.98 and 63,829

Step by Step Solution

1. Step 1: Write the proportion equation
   116,821 : 161,212.98 = 63,829 : x
2. Step 2: Convert to fraction form
   116,821/161,212.98 = 63,829/x
3. Step 3: Cross multiply
   116,821x = 161,212.98 × 63,829
4. Step 4: Simplify right side
   116,821x = 10,290,063,300.42
5. Step 5: Solve for x
   x = 10,290,063,300.42/116,821
6. Step 6: Final answer
   x = 88,084.02