Finding the Fourth Proportional to 68,897.76, 95,089.31 and 42,055.89

Step by Step Solution

1. Step 1: Write the proportion equation
   68,897.76 : 95,089.31 = 42,055.89 : x
2. Step 2: Convert to fraction form
   68,897.76/95,089.31 = 42,055.89/x
3. Step 3: Cross multiply
   68,897.76x = 95,089.31 × 42,055.89
4. Step 4: Simplify right side
   68,897.76x = 3,999,065,561.54
5. Step 5: Solve for x
   x = 3,999,065,561.54/68,897.76
6. Step 6: Final answer
   x = 58,043.48