Finding the Fourth Proportional to 112,314.15, 168,386.94 and 67,931.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,314.15 : 168,386.94 = 67,931.82 : x
2. Step 2: Convert to fraction form
   112,314.15/168,386.94 = 67,931.82/x
3. Step 3: Cross multiply
   112,314.15x = 168,386.94 × 67,931.82
4. Step 4: Simplify right side
   112,314.15x = 11,438,831,298.43
5. Step 5: Solve for x
   x = 11,438,831,298.43/112,314.15
6. Step 6: Final answer
   x = 101,846.75