Finding the Fourth Proportional to 240,003.59, 359,990.71 and 99,763.43

Step by Step Solution

1. Step 1: Write the proportion equation
   240,003.59 : 359,990.71 = 99,763.43 : x
2. Step 2: Convert to fraction form
   240,003.59/359,990.71 = 99,763.43/x
3. Step 3: Cross multiply
   240,003.59x = 359,990.71 × 99,763.43
4. Step 4: Simplify right side
   240,003.59x = 35,913,905,948.37
5. Step 5: Solve for x
   x = 35,913,905,948.37/240,003.59
6. Step 6: Final answer
   x = 149,639.04