Finding the Fourth Proportional to 69,156.76, 95,438.22 and 42,298.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,156.76 : 95,438.22 = 42,298.78 : x
2. Step 2: Convert to fraction form
   69,156.76/95,438.22 = 42,298.78/x
3. Step 3: Cross multiply
   69,156.76x = 95,438.22 × 42,298.78
4. Step 4: Simplify right side
   69,156.76x = 4,036,920,271.37
5. Step 5: Solve for x
   x = 4,036,920,271.37/69,156.76
6. Step 6: Final answer
   x = 58,373.47