Finding the Fourth Proportional to 69,431.58, 95,817.33 and 42,588.89

Step by Step Solution

1. Step 1: Write the proportion equation
   69,431.58 : 95,817.33 = 42,588.89 : x
2. Step 2: Convert to fraction form
   69,431.58/95,817.33 = 42,588.89/x
3. Step 3: Cross multiply
   69,431.58x = 95,817.33 × 42,588.89
4. Step 4: Simplify right side
   69,431.58x = 4,080,753,607.69
5. Step 5: Solve for x
   x = 4,080,753,607.69/69,431.58
6. Step 6: Final answer
   x = 58,773.74