Finding the Fourth Proportional to 928,092, 1,281,384.72 and 712,848

Step by Step Solution

1. Step 1: Write the proportion equation
   928,092 : 1,281,384.72 = 712,848 : x
2. Step 2: Convert to fraction form
   928,092/1,281,384.72 = 712,848/x
3. Step 3: Cross multiply
   928,092x = 1,281,384.72 × 712,848
4. Step 4: Simplify right side
   928,092x = 913,432,534,882.56
5. Step 5: Solve for x
   x = 913,432,534,882.56/928,092
6. Step 6: Final answer
   x = 984,204.73