Finding the Fourth Proportional to 117,491.94, 162,141.80 and 63,776.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,491.94 : 162,141.80 = 63,776.88 : x
2. Step 2: Convert to fraction form
   117,491.94/162,141.80 = 63,776.88/x
3. Step 3: Cross multiply
   117,491.94x = 162,141.80 × 63,776.88
4. Step 4: Simplify right side
   117,491.94x = 10,340,897,802.70
5. Step 5: Solve for x
   x = 10,340,897,802.70/117,491.94
6. Step 6: Final answer
   x = 88,013.68