Finding the Fourth Proportional to 55,587.03, 76,709.34 and 30,436.53

Step by Step Solution

1. Step 1: Write the proportion equation
   55,587.03 : 76,709.34 = 30,436.53 : x
2. Step 2: Convert to fraction form
   55,587.03/76,709.34 = 30,436.53/x
3. Step 3: Cross multiply
   55,587.03x = 76,709.34 × 30,436.53
4. Step 4: Simplify right side
   55,587.03x = 2,334,766,128.19
5. Step 5: Solve for x
   x = 2,334,766,128.19/55,587.03
6. Step 6: Final answer
   x = 42,001.99