Finding the Fourth Proportional to 70,667.52, 105,826.32 and 51,903.06

Step by Step Solution

1. Step 1: Write the proportion equation
   70,667.52 : 105,826.32 = 51,903.06 : x
2. Step 2: Convert to fraction form
   70,667.52/105,826.32 = 51,903.06/x
3. Step 3: Cross multiply
   70,667.52x = 105,826.32 × 51,903.06
4. Step 4: Simplify right side
   70,667.52x = 5,492,709,836.54
5. Step 5: Solve for x
   x = 5,492,709,836.54/70,667.52
6. Step 6: Final answer
   x = 77,726.09