Finding the Fourth Proportional to 77,469.56, 116,238.72 and 33,124.40

Step by Step Solution

1. Step 1: Write the proportion equation
   77,469.56 : 116,238.72 = 33,124.40 : x
2. Step 2: Convert to fraction form
   77,469.56/116,238.72 = 33,124.40/x
3. Step 3: Cross multiply
   77,469.56x = 116,238.72 × 33,124.40
4. Step 4: Simplify right side
   77,469.56x = 3,850,337,856.77
5. Step 5: Solve for x
   x = 3,850,337,856.77/77,469.56
6. Step 6: Final answer
   x = 49,701.30