Finding the Fourth Proportional to 91,766.34, 137,636.55 and 29,428.74

Step by Step Solution

1. Step 1: Write the proportion equation
   91,766.34 : 137,636.55 = 29,428.74 : x
2. Step 2: Convert to fraction form
   91,766.34/137,636.55 = 29,428.74/x
3. Step 3: Cross multiply
   91,766.34x = 137,636.55 × 29,428.74
4. Step 4: Simplify right side
   91,766.34x = 4,050,470,244.45
5. Step 5: Solve for x
   x = 4,050,470,244.45/91,766.34
6. Step 6: Final answer
   x = 44,138.95