Finding the Fourth Proportional to 140,303.00, 193,681.88 and 89,385.56

Step by Step Solution

1. Step 1: Write the proportion equation
   140,303.00 : 193,681.88 = 89,385.56 : x
2. Step 2: Convert to fraction form
   140,303.00/193,681.88 = 89,385.56/x
3. Step 3: Cross multiply
   140,303.00x = 193,681.88 × 89,385.56
4. Step 4: Simplify right side
   140,303.00x = 17,312,361,890.32
5. Step 5: Solve for x
   x = 17,312,361,890.32/140,303.00
6. Step 6: Final answer
   x = 123,392.68