Finding the Fourth Proportional to 1,139,532.58, 1,572,725.52 and 709,951.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,532.58 : 1,572,725.52 = 709,951.06 : x
2. Step 2: Convert to fraction form
   1,139,532.58/1,572,725.52 = 709,951.06/x
3. Step 3: Cross multiply
   1,139,532.58x = 1,572,725.52 × 709,951.06
4. Step 4: Simplify right side
   1,139,532.58x = 1,116,558,150,013.05
5. Step 5: Solve for x
   x = 1,116,558,150,013.05/1,139,532.58
6. Step 6: Final answer
   x = 979,838.72