Finding the Fourth Proportional to 1,048,478.56, 1,571,566.62 and 598,217.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048,478.56 : 1,571,566.62 = 598,217.78 : x
2. Step 2: Convert to fraction form
   1,048,478.56/1,571,566.62 = 598,217.78/x
3. Step 3: Cross multiply
   1,048,478.56x = 1,571,566.62 × 598,217.78
4. Step 4: Simplify right side
   1,048,478.56x = 940,139,094,538.50
5. Step 5: Solve for x
   x = 940,139,094,538.50/1,048,478.56
6. Step 6: Final answer
   x = 896,669.83