Finding the Fourth Proportional to 49,112.78, 73,720.71 and 43,526.19

Step by Step Solution

1. Step 1: Write the proportion equation
   49,112.78 : 73,720.71 = 43,526.19 : x
2. Step 2: Convert to fraction form
   49,112.78/73,720.71 = 43,526.19/x
3. Step 3: Cross multiply
   49,112.78x = 73,720.71 × 43,526.19
4. Step 4: Simplify right side
   49,112.78x = 3,208,781,412.76
5. Step 5: Solve for x
   x = 3,208,781,412.76/49,112.78
6. Step 6: Final answer
   x = 65,334.96