Finding the Fourth Proportional to 1,011,900.52, 1,396,570.98 and 609,483.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,900.52 : 1,396,570.98 = 609,483.88 : x
2. Step 2: Convert to fraction form
   1,011,900.52/1,396,570.98 = 609,483.88/x
3. Step 3: Cross multiply
   1,011,900.52x = 1,396,570.98 × 609,483.88
4. Step 4: Simplify right side
   1,011,900.52x = 851,187,499,585.80
5. Step 5: Solve for x
   x = 851,187,499,585.80/1,011,900.52
6. Step 6: Final answer
   x = 841,177.06