Finding the Fourth Proportional to 607,803.50, 911,744.13 and 233,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,803.50 : 911,744.13 = 233,826.50 : x
2. Step 2: Convert to fraction form
   607,803.50/911,744.13 = 233,826.50/x
3. Step 3: Cross multiply
   607,803.50x = 911,744.13 × 233,826.50
4. Step 4: Simplify right side
   607,803.50x = 213,189,933,085.59
5. Step 5: Solve for x
   x = 213,189,933,085.59/607,803.50
6. Step 6: Final answer
   x = 350,754.70