Finding the Fourth Proportional to 55,721.96, 83,003.80 and 52,703.84

Step by Step Solution

1. Step 1: Write the proportion equation
   55,721.96 : 83,003.80 = 52,703.84 : x
2. Step 2: Convert to fraction form
   55,721.96/83,003.80 = 52,703.84/x
3. Step 3: Cross multiply
   55,721.96x = 83,003.80 × 52,703.84
4. Step 4: Simplify right side
   55,721.96x = 4,374,618,994.59
5. Step 5: Solve for x
   x = 4,374,618,994.59/55,721.96
6. Step 6: Final answer
   x = 78,507.99