Finding the Fourth Proportional to 67,931.07, 101,863.83 and 28,477.59

Step by Step Solution

1. Step 1: Write the proportion equation
   67,931.07 : 101,863.83 = 28,477.59 : x
2. Step 2: Convert to fraction form
   67,931.07/101,863.83 = 28,477.59/x
3. Step 3: Cross multiply
   67,931.07x = 101,863.83 × 28,477.59
4. Step 4: Simplify right side
   67,931.07x = 2,900,836,386.57
5. Step 5: Solve for x
   x = 2,900,836,386.57/67,931.07
6. Step 6: Final answer
   x = 42,702.65