Finding the Fourth Proportional to 1,201,601.52, 1,801,156.29 and 751,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,601.52 : 1,801,156.29 = 751,288.50 : x
2. Step 2: Convert to fraction form
   1,201,601.52/1,801,156.29 = 751,288.50/x
3. Step 3: Cross multiply
   1,201,601.52x = 1,801,156.29 × 751,288.50
4. Step 4: Simplify right side
   1,201,601.52x = 1,353,188,007,379.67
5. Step 5: Solve for x
   x = 1,353,188,007,379.67/1,201,601.52
6. Step 6: Final answer
   x = 1,126,153.71