Finding the Fourth Proportional to 42,855.89, 59,134.10 and 26,929.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,855.89 : 59,134.10 = 26,929.06 : x
2. Step 2: Convert to fraction form
   42,855.89/59,134.10 = 26,929.06/x
3. Step 3: Cross multiply
   42,855.89x = 59,134.10 × 26,929.06
4. Step 4: Simplify right side
   42,855.89x = 1,592,425,807.46
5. Step 5: Solve for x
   x = 1,592,425,807.46/42,855.89
6. Step 6: Final answer
   x = 37,157.69