Finding the Fourth Proportional to 1,191,978.46, 1,789,091.39 and 434,552.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,978.46 : 1,789,091.39 = 434,552.00 : x
2. Step 2: Convert to fraction form
   1,191,978.46/1,789,091.39 = 434,552.00/x
3. Step 3: Cross multiply
   1,191,978.46x = 1,789,091.39 × 434,552.00
4. Step 4: Simplify right side
   1,191,978.46x = 777,453,247,266.39
5. Step 5: Solve for x
   x = 777,453,247,266.39/1,191,978.46
6. Step 6: Final answer
   x = 652,237.67