Finding the Fourth Proportional to 112,417.95, 168,607.49 and 42,297.87

Step by Step Solution

1. Step 1: Write the proportion equation
   112,417.95 : 168,607.49 = 42,297.87 : x
2. Step 2: Convert to fraction form
   112,417.95/168,607.49 = 42,297.87/x
3. Step 3: Cross multiply
   112,417.95x = 168,607.49 × 42,297.87
4. Step 4: Simplify right side
   112,417.95x = 7,131,737,481.56
5. Step 5: Solve for x
   x = 7,131,737,481.56/112,417.95
6. Step 6: Final answer
   x = 63,439.49