Finding the Fourth Proportional to 55,359, 76,397.04 and 30,210.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,359 : 76,397.04 = 30,210.12 : x
2. Step 2: Convert to fraction form
   55,359/76,397.04 = 30,210.12/x
3. Step 3: Cross multiply
   55,359x = 76,397.04 × 30,210.12
4. Step 4: Simplify right side
   55,359x = 2,307,963,746.04
5. Step 5: Solve for x
   x = 2,307,963,746.04/55,359
6. Step 6: Final answer
   x = 41,690.85