Finding the Fourth Proportional to 874,429.76, 1,310,062.56 and 401,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   874,429.76 : 1,310,062.56 = 401,510.72 : x
2. Step 2: Convert to fraction form
   874,429.76/1,310,062.56 = 401,510.72/x
3. Step 3: Cross multiply
   874,429.76x = 1,310,062.56 × 401,510.72
4. Step 4: Simplify right side
   874,429.76x = 526,004,161,710.64
5. Step 5: Solve for x
   x = 526,004,161,710.64/874,429.76
6. Step 6: Final answer
   x = 601,539.64