Finding the Fourth Proportional to 90,667.33, 125,113.57 and 52,429.36

Step by Step Solution

1. Step 1: Write the proportion equation
   90,667.33 : 125,113.57 = 52,429.36 : x
2. Step 2: Convert to fraction form
   90,667.33/125,113.57 = 52,429.36/x
3. Step 3: Cross multiply
   90,667.33x = 125,113.57 × 52,429.36
4. Step 4: Simplify right side
   90,667.33x = 6,559,624,402.42
5. Step 5: Solve for x
   x = 6,559,624,402.42/90,667.33
6. Step 6: Final answer
   x = 72,348.27