Finding the Fourth Proportional to 53,926.58, 80,490.58 and 50,602.34

Step by Step Solution

1. Step 1: Write the proportion equation
   53,926.58 : 80,490.58 = 50,602.34 : x
2. Step 2: Convert to fraction form
   53,926.58/80,490.58 = 50,602.34/x
3. Step 3: Cross multiply
   53,926.58x = 80,490.58 × 50,602.34
4. Step 4: Simplify right side
   53,926.58x = 4,073,011,695.96
5. Step 5: Solve for x
   x = 4,073,011,695.96/53,926.58
6. Step 6: Final answer
   x = 75,528.83