Finding the Fourth Proportional to 1,685,530.42, 2,326,031.98 and 921,583.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,530.42 : 2,326,031.98 = 921,583.98 : x
2. Step 2: Convert to fraction form
   1,685,530.42/2,326,031.98 = 921,583.98/x
3. Step 3: Cross multiply
   1,685,530.42x = 2,326,031.98 × 921,583.98
4. Step 4: Simplify right side
   1,685,530.42x = 2,143,633,807,431.72
5. Step 5: Solve for x
   x = 2,143,633,807,431.72/1,685,530.42
6. Step 6: Final answer
   x = 1,271,785.89