Finding the Fourth Proportional to 117,103.59, 161,603.37 and 63,389.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,103.59 : 161,603.37 = 63,389.25 : x
2. Step 2: Convert to fraction form
   117,103.59/161,603.37 = 63,389.25/x
3. Step 3: Cross multiply
   117,103.59x = 161,603.37 × 63,389.25
4. Step 4: Simplify right side
   117,103.59x = 10,243,916,421.77
5. Step 5: Solve for x
   x = 10,243,916,421.77/117,103.59
6. Step 6: Final answer
   x = 87,477.39