Finding the Fourth Proportional to 1,140,943.32, 1,708,892.24 and 780,259.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,943.32 : 1,708,892.24 = 780,259.46 : x
2. Step 2: Convert to fraction form
   1,140,943.32/1,708,892.24 = 780,259.46/x
3. Step 3: Cross multiply
   1,140,943.32x = 1,708,892.24 × 780,259.46
4. Step 4: Simplify right side
   1,140,943.32x = 1,333,379,323,934.83
5. Step 5: Solve for x
   x = 1,333,379,323,934.83/1,140,943.32
6. Step 6: Final answer
   x = 1,168,663.95