Finding the Fourth Proportional to 42,856.89, 59,135.48 and 26,930.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,856.89 : 59,135.48 = 26,930.06 : x
2. Step 2: Convert to fraction form
   42,856.89/59,135.48 = 26,930.06/x
3. Step 3: Cross multiply
   42,856.89x = 59,135.48 × 26,930.06
4. Step 4: Simplify right side
   42,856.89x = 1,592,522,024.53
5. Step 5: Solve for x
   x = 1,592,522,024.53/42,856.89
6. Step 6: Final answer
   x = 37,159.07