Finding the Fourth Proportional to 52,298.82, 72,190.89 and 31,077.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,298.82 : 72,190.89 = 31,077.96 : x
2. Step 2: Convert to fraction form
   52,298.82/72,190.89 = 31,077.96/x
3. Step 3: Cross multiply
   52,298.82x = 72,190.89 × 31,077.96
4. Step 4: Simplify right side
   52,298.82x = 2,243,545,591.78
5. Step 5: Solve for x
   x = 2,243,545,591.78/52,298.82
6. Step 6: Final answer
   x = 42,898.59