Finding the Fourth Proportional to 55,677.76, 76,834.80 and 30,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,677.76 : 76,834.80 = 30,526.72 : x
2. Step 2: Convert to fraction form
   55,677.76/76,834.80 = 30,526.72/x
3. Step 3: Cross multiply
   55,677.76x = 76,834.80 × 30,526.72
4. Step 4: Simplify right side
   55,677.76x = 2,345,514,425.86
5. Step 5: Solve for x
   x = 2,345,514,425.86/55,677.76
6. Step 6: Final answer
   x = 42,126.59