Finding the Fourth Proportional to 1,711,643.56, 2,362,141.92 and 947,697.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711,643.56 : 2,362,141.92 = 947,697.12 : x
2. Step 2: Convert to fraction form
   1,711,643.56/2,362,141.92 = 947,697.12/x
3. Step 3: Cross multiply
   1,711,643.56x = 2,362,141.92 × 947,697.12
4. Step 4: Simplify right side
   1,711,643.56x = 2,238,595,094,615.27
5. Step 5: Solve for x
   x = 2,238,595,094,615.27/1,711,643.56
6. Step 6: Final answer
   x = 1,307,862.89