Finding the Fourth Proportional to 49,485, 74,041.50 and 34,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,485 : 74,041.50 = 34,722.72 : x
2. Step 2: Convert to fraction form
   49,485/74,041.50 = 34,722.72/x
3. Step 3: Cross multiply
   49,485x = 74,041.50 × 34,722.72
4. Step 4: Simplify right side
   49,485x = 2,570,922,272.88
5. Step 5: Solve for x
   x = 2,570,922,272.88/49,485
6. Step 6: Final answer
   x = 51,953.57