Finding the Fourth Proportional to 101,528.38, 140,123.82 and 58,499.63

Step by Step Solution

1. Step 1: Write the proportion equation
   101,528.38 : 140,123.82 = 58,499.63 : x
2. Step 2: Convert to fraction form
   101,528.38/140,123.82 = 58,499.63/x
3. Step 3: Cross multiply
   101,528.38x = 140,123.82 × 58,499.63
4. Step 4: Simplify right side
   101,528.38x = 8,197,191,668.41
5. Step 5: Solve for x
   x = 8,197,191,668.41/101,528.38
6. Step 6: Final answer
   x = 80,737.94