Finding the Fourth Proportional to 42,475.93, 63,575.25 and 31,228.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,475.93 : 63,575.25 = 31,228.29 : x
2. Step 2: Convert to fraction form
   42,475.93/63,575.25 = 31,228.29/x
3. Step 3: Cross multiply
   42,475.93x = 63,575.25 × 31,228.29
4. Step 4: Simplify right side
   42,475.93x = 1,985,346,343.82
5. Step 5: Solve for x
   x = 1,985,346,343.82/42,475.93
6. Step 6: Final answer
   x = 46,740.50