Finding the Fourth Proportional to 90,970.52, 136,451.14 and 34,806.31

Step by Step Solution

1. Step 1: Write the proportion equation
   90,970.52 : 136,451.14 = 34,806.31 : x
2. Step 2: Convert to fraction form
   90,970.52/136,451.14 = 34,806.31/x
3. Step 3: Cross multiply
   90,970.52x = 136,451.14 × 34,806.31
4. Step 4: Simplify right side
   90,970.52x = 4,749,360,250.55
5. Step 5: Solve for x
   x = 4,749,360,250.55/90,970.52
6. Step 6: Final answer
   x = 52,207.69