Finding the Fourth Proportional to 89,665.02, 123,735.27 and 51,430.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,665.02 : 123,735.27 = 51,430.98 : x
2. Step 2: Convert to fraction form
   89,665.02/123,735.27 = 51,430.98/x
3. Step 3: Cross multiply
   89,665.02x = 123,735.27 × 51,430.98
4. Step 4: Simplify right side
   89,665.02x = 6,363,826,196.66
5. Step 5: Solve for x
   x = 6,363,826,196.66/89,665.02
6. Step 6: Final answer
   x = 70,973.34