Finding the Fourth Proportional to 55,861.08, 77,089.56 and 30,368.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,861.08 : 77,089.56 = 30,368.88 : x
2. Step 2: Convert to fraction form
   55,861.08/77,089.56 = 30,368.88/x
3. Step 3: Cross multiply
   55,861.08x = 77,089.56 × 30,368.88
4. Step 4: Simplify right side
   55,861.08x = 2,341,123,596.89
5. Step 5: Solve for x
   x = 2,341,123,596.89/55,861.08
6. Step 6: Final answer
   x = 41,909.74