Finding the Fourth Proportional to 49,446.78, 73,810.50 and 45,792.06

Step by Step Solution

1. Step 1: Write the proportion equation
   49,446.78 : 73,810.50 = 45,792.06 : x
2. Step 2: Convert to fraction form
   49,446.78/73,810.50 = 45,792.06/x
3. Step 3: Cross multiply
   49,446.78x = 73,810.50 × 45,792.06
4. Step 4: Simplify right side
   49,446.78x = 3,379,934,844.63
5. Step 5: Solve for x
   x = 3,379,934,844.63/49,446.78
6. Step 6: Final answer
   x = 68,355.00