Finding the Fourth Proportional to 42,435.29, 63,592.59 and 31,254.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,435.29 : 63,592.59 = 31,254.05 : x
2. Step 2: Convert to fraction form
   42,435.29/63,592.59 = 31,254.05/x
3. Step 3: Cross multiply
   42,435.29x = 63,592.59 × 31,254.05
4. Step 4: Simplify right side
   42,435.29x = 1,987,526,263.67
5. Step 5: Solve for x
   x = 1,987,526,263.67/42,435.29
6. Step 6: Final answer
   x = 46,836.63