Finding the Fourth Proportional to 176,367.30, 243,401.91 and 99,900.03

Step by Step Solution

1. Step 1: Write the proportion equation
   176,367.30 : 243,401.91 = 99,900.03 : x
2. Step 2: Convert to fraction form
   176,367.30/243,401.91 = 99,900.03/x
3. Step 3: Cross multiply
   176,367.30x = 243,401.91 × 99,900.03
4. Step 4: Simplify right side
   176,367.30x = 24,315,858,111.06
5. Step 5: Solve for x
   x = 24,315,858,111.06/176,367.30
6. Step 6: Final answer
   x = 137,870.56