Finding the Fourth Proportional to 1,139,536.32, 1,573,044.36 and 710,028.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,536.32 : 1,573,044.36 = 710,028.69 : x
2. Step 2: Convert to fraction form
   1,139,536.32/1,573,044.36 = 710,028.69/x
3. Step 3: Cross multiply
   1,139,536.32x = 1,573,044.36 × 710,028.69
4. Step 4: Simplify right side
   1,139,536.32x = 1,116,906,626,242.69
5. Step 5: Solve for x
   x = 1,116,906,626,242.69/1,139,536.32
6. Step 6: Final answer
   x = 980,141.31