Finding the Fourth Proportional to 55,980.52, 83,561.21 and 49,337.74

Step by Step Solution

1. Step 1: Write the proportion equation
   55,980.52 : 83,561.21 = 49,337.74 : x
2. Step 2: Convert to fraction form
   55,980.52/83,561.21 = 49,337.74/x
3. Step 3: Cross multiply
   55,980.52x = 83,561.21 × 49,337.74
4. Step 4: Simplify right side
   55,980.52x = 4,122,721,253.07
5. Step 5: Solve for x
   x = 4,122,721,253.07/55,980.52
6. Step 6: Final answer
   x = 73,645.64