Finding the Fourth Proportional to 1,139,930.01, 1,573,032.56 and 630,632.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,930.01 : 1,573,032.56 = 630,632.39 : x
2. Step 2: Convert to fraction form
   1,139,930.01/1,573,032.56 = 630,632.39/x
3. Step 3: Cross multiply
   1,139,930.01x = 1,573,032.56 × 630,632.39
4. Step 4: Simplify right side
   1,139,930.01x = 992,005,271,842.29
5. Step 5: Solve for x
   x = 992,005,271,842.29/1,139,930.01
6. Step 6: Final answer
   x = 870,233.49