Finding the Fourth Proportional to 55,406.76, 83,484.15 and 45,762.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,406.76 : 83,484.15 = 45,762.09 : x
2. Step 2: Convert to fraction form
   55,406.76/83,484.15 = 45,762.09/x
3. Step 3: Cross multiply
   55,406.76x = 83,484.15 × 45,762.09
4. Step 4: Simplify right side
   55,406.76x = 3,820,409,185.87
5. Step 5: Solve for x
   x = 3,820,409,185.87/55,406.76
6. Step 6: Final answer
   x = 68,952.04