Finding the Fourth Proportional to 1,542,546.72, 2,128,904.64 and 931,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542,546.72 : 2,128,904.64 = 931,050.72 : x
2. Step 2: Convert to fraction form
   1,542,546.72/2,128,904.64 = 931,050.72/x
3. Step 3: Cross multiply
   1,542,546.72x = 2,128,904.64 × 931,050.72
4. Step 4: Simplify right side
   1,542,546.72x = 1,982,118,197,883.34
5. Step 5: Solve for x
   x = 1,982,118,197,883.34/1,542,546.72
6. Step 6: Final answer
   x = 1,284,964.77