Finding the Fourth Proportional to 117,279.83, 161,846.43 and 63,564.84

Step by Step Solution

1. Step 1: Write the proportion equation
   117,279.83 : 161,846.43 = 63,564.84 : x
2. Step 2: Convert to fraction form
   117,279.83/161,846.43 = 63,564.84/x
3. Step 3: Cross multiply
   117,279.83x = 161,846.43 × 63,564.84
4. Step 4: Simplify right side
   117,279.83x = 10,287,742,427.52
5. Step 5: Solve for x
   x = 10,287,742,427.52/117,279.83
6. Step 6: Final answer
   x = 87,719.63