Finding the Fourth Proportional to 42,085.62, 63,080.37 and 26,297.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,085.62 : 63,080.37 = 26,297.91 : x
2. Step 2: Convert to fraction form
   42,085.62/63,080.37 = 26,297.91/x
3. Step 3: Cross multiply
   42,085.62x = 63,080.37 × 26,297.91
4. Step 4: Simplify right side
   42,085.62x = 1,658,881,893.03
5. Step 5: Solve for x
   x = 1,658,881,893.03/42,085.62
6. Step 6: Final answer
   x = 39,416.83