Finding the Fourth Proportional to 91,178,440.72, 125,826,451.86 and 49,362,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,178,440.72 : 125,826,451.86 = 49,362,946.72 : x
2. Step 2: Convert to fraction form
   91,178,440.72/125,826,451.86 = 49,362,946.72/x
3. Step 3: Cross multiply
   91,178,440.72x = 125,826,451.86 × 49,362,946.72
4. Step 4: Simplify right side
   91,178,440.72x = 6,211,164,439,131,825
5. Step 5: Solve for x
   x = 6,211,164,439,131,825/91,178,440.72
6. Step 6: Final answer
   x = 68,120,976.74