Finding the Fourth Proportional to 789,838.88, 1,088,844 and 563,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   789,838.88 : 1,088,844 = 563,090.72 : x
2. Step 2: Convert to fraction form
   789,838.88/1,088,844 = 563,090.72/x
3. Step 3: Cross multiply
   789,838.88x = 1,088,844 × 563,090.72
4. Step 4: Simplify right side
   789,838.88x = 613,117,951,927.68
5. Step 5: Solve for x
   x = 613,117,951,927.68/789,838.88
6. Step 6: Final answer
   x = 776,256.99