Finding the Fourth Proportional to 69,002.01, 95,231.52 and 42,138.81

Step by Step Solution

1. Step 1: Write the proportion equation
   69,002.01 : 95,231.52 = 42,138.81 : x
2. Step 2: Convert to fraction form
   69,002.01/95,231.52 = 42,138.81/x
3. Step 3: Cross multiply
   69,002.01x = 95,231.52 × 42,138.81
4. Step 4: Simplify right side
   69,002.01x = 4,012,942,927.29
5. Step 5: Solve for x
   x = 4,012,942,927.29/69,002.01
6. Step 6: Final answer
   x = 58,156.90