Finding the Fourth Proportional to 55,423, 76,484.16 and 30,272.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,423 : 76,484.16 = 30,272.52 : x
2. Step 2: Convert to fraction form
   55,423/76,484.16 = 30,272.52/x
3. Step 3: Cross multiply
   55,423x = 76,484.16 × 30,272.52
4. Step 4: Simplify right side
   55,423x = 2,315,368,263.28
5. Step 5: Solve for x
   x = 2,315,368,263.28/55,423
6. Step 6: Final answer
   x = 41,776.31