Finding the Fourth Proportional to 42,869.47, 59,162.99 and 25,877.85

Step by Step Solution

1. Step 1: Write the proportion equation
   42,869.47 : 59,162.99 = 25,877.85 : x
2. Step 2: Convert to fraction form
   42,869.47/59,162.99 = 25,877.85/x
3. Step 3: Cross multiply
   42,869.47x = 59,162.99 × 25,877.85
4. Step 4: Simplify right side
   42,869.47x = 1,531,010,980.77
5. Step 5: Solve for x
   x = 1,531,010,980.77/42,869.47
6. Step 6: Final answer
   x = 35,713.32