Finding the Fourth Proportional to 747,164, 1,031,086.56 and 478,892

Step by Step Solution

1. Step 1: Write the proportion equation
   747,164 : 1,031,086.56 = 478,892 : x
2. Step 2: Convert to fraction form
   747,164/1,031,086.56 = 478,892/x
3. Step 3: Cross multiply
   747,164x = 1,031,086.56 × 478,892
4. Step 4: Simplify right side
   747,164x = 493,779,104,891.52
5. Step 5: Solve for x
   x = 493,779,104,891.52/747,164
6. Step 6: Final answer
   x = 660,871.11