Finding the Fourth Proportional to 55,364.39, 76,402.83 and 30,213.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,364.39 : 76,402.83 = 30,213.89 : x
2. Step 2: Convert to fraction form
   55,364.39/76,402.83 = 30,213.89/x
3. Step 3: Cross multiply
   55,364.39x = 76,402.83 × 30,213.89
4. Step 4: Simplify right side
   55,364.39x = 2,308,426,461.74
5. Step 5: Solve for x
   x = 2,308,426,461.74/55,364.39
6. Step 6: Final answer
   x = 41,695.15