Finding the Fourth Proportional to 42,237.82, 63,438.74 and 31,100.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,237.82 : 63,438.74 = 31,100.53 : x
2. Step 2: Convert to fraction form
   42,237.82/63,438.74 = 31,100.53/x
3. Step 3: Cross multiply
   42,237.82x = 63,438.74 × 31,100.53
4. Step 4: Simplify right side
   42,237.82x = 1,972,977,963.84
5. Step 5: Solve for x
   x = 1,972,977,963.84/42,237.82
6. Step 6: Final answer
   x = 46,711.17