Finding the Fourth Proportional to 89,225.63, 123,131.58 and 51,499.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,225.63 : 123,131.58 = 51,499.88 : x
2. Step 2: Convert to fraction form
   89,225.63/123,131.58 = 51,499.88/x
3. Step 3: Cross multiply
   89,225.63x = 123,131.58 × 51,499.88
4. Step 4: Simplify right side
   89,225.63x = 6,341,261,594.21
5. Step 5: Solve for x
   x = 6,341,261,594.21/89,225.63
6. Step 6: Final answer
   x = 71,069.96