Finding the Fourth Proportional to 55,408.76, 83,487.15 and 45,764.08

Step by Step Solution

1. Step 1: Write the proportion equation
   55,408.76 : 83,487.15 = 45,764.08 : x
2. Step 2: Convert to fraction form
   55,408.76/83,487.15 = 45,764.08/x
3. Step 3: Cross multiply
   55,408.76x = 83,487.15 × 45,764.08
4. Step 4: Simplify right side
   55,408.76x = 3,820,712,611.57
5. Step 5: Solve for x
   x = 3,820,712,611.57/55,408.76
6. Step 6: Final answer
   x = 68,955.03