Finding the Fourth Proportional to 55,980.30, 83,560.87 and 49,337.46

Step by Step Solution

1. Step 1: Write the proportion equation
   55,980.30 : 83,560.87 = 49,337.46 : x
2. Step 2: Convert to fraction form
   55,980.30/83,560.87 = 49,337.46/x
3. Step 3: Cross multiply
   55,980.30x = 83,560.87 × 49,337.46
4. Step 4: Simplify right side
   55,980.30x = 4,122,680,834.50
5. Step 5: Solve for x
   x = 4,122,680,834.50/55,980.30
6. Step 6: Final answer
   x = 73,645.21