Finding the Fourth Proportional to 1,025,071.89, 1,537,754.58 and 315,159.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025,071.89 : 1,537,754.58 = 315,159.54 : x
2. Step 2: Convert to fraction form
   1,025,071.89/1,537,754.58 = 315,159.54/x
3. Step 3: Cross multiply
   1,025,071.89x = 1,537,754.58 × 315,159.54
4. Step 4: Simplify right side
   1,025,071.89x = 484,638,026,065.69
5. Step 5: Solve for x
   x = 484,638,026,065.69/1,025,071.89
6. Step 6: Final answer
   x = 472,784.43