Finding the Fourth Proportional to 87,733, 131,613.18 and 28,554.70

Step by Step Solution

1. Step 1: Write the proportion equation
   87,733 : 131,613.18 = 28,554.70 : x
2. Step 2: Convert to fraction form
   87,733/131,613.18 = 28,554.70/x
3. Step 3: Cross multiply
   87,733x = 131,613.18 × 28,554.70
4. Step 4: Simplify right side
   87,733x = 3,758,174,870.95
5. Step 5: Solve for x
   x = 3,758,174,870.95/87,733
6. Step 6: Final answer
   x = 42,836.50