Finding the Fourth Proportional to 117,446.65, 162,075.56 and 63,730.30

Step by Step Solution

1. Step 1: Write the proportion equation
   117,446.65 : 162,075.56 = 63,730.30 : x
2. Step 2: Convert to fraction form
   117,446.65/162,075.56 = 63,730.30/x
3. Step 3: Cross multiply
   117,446.65x = 162,075.56 × 63,730.30
4. Step 4: Simplify right side
   117,446.65x = 10,329,123,742.82
5. Step 5: Solve for x
   x = 10,329,123,742.82/117,446.65
6. Step 6: Final answer
   x = 87,947.37