Finding the Fourth Proportional to 117,522.11, 176,353.20 and 42,648.09

Step by Step Solution

1. Step 1: Write the proportion equation
   117,522.11 : 176,353.20 = 42,648.09 : x
2. Step 2: Convert to fraction form
   117,522.11/176,353.20 = 42,648.09/x
3. Step 3: Cross multiply
   117,522.11x = 176,353.20 × 42,648.09
4. Step 4: Simplify right side
   117,522.11x = 7,521,127,145.39
5. Step 5: Solve for x
   x = 7,521,127,145.39/117,522.11
6. Step 6: Final answer
   x = 63,997.55