Finding the Fourth Proportional to 90,355.34, 124,688.52 and 50,069

Step by Step Solution

1. Step 1: Write the proportion equation
   90,355.34 : 124,688.52 = 50,069 : x
2. Step 2: Convert to fraction form
   90,355.34/124,688.52 = 50,069/x
3. Step 3: Cross multiply
   90,355.34x = 124,688.52 × 50,069
4. Step 4: Simplify right side
   90,355.34x = 6,243,029,507.88
5. Step 5: Solve for x
   x = 6,243,029,507.88/90,355.34
6. Step 6: Final answer
   x = 69,094.20