Finding the Fourth Proportional to 985,061.31, 1,477,675.80 and 310,962.30

Step by Step Solution

1. Step 1: Write the proportion equation
   985,061.31 : 1,477,675.80 = 310,962.30 : x
2. Step 2: Convert to fraction form
   985,061.31/1,477,675.80 = 310,962.30/x
3. Step 3: Cross multiply
   985,061.31x = 1,477,675.80 × 310,962.30
4. Step 4: Simplify right side
   985,061.31x = 459,501,465,422.34
5. Step 5: Solve for x
   x = 459,501,465,422.34/985,061.31
6. Step 6: Final answer
   x = 466,469.91