Finding the Fourth Proportional to 1,271,684.96, 1,907,822.72 and 373,090.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,684.96 : 1,907,822.72 = 373,090.40 : x
2. Step 2: Convert to fraction form
   1,271,684.96/1,907,822.72 = 373,090.40/x
3. Step 3: Cross multiply
   1,271,684.96x = 1,907,822.72 × 373,090.40
4. Step 4: Simplify right side
   1,271,684.96x = 711,790,341,733.89
5. Step 5: Solve for x
   x = 711,790,341,733.89/1,271,684.96
6. Step 6: Final answer
   x = 559,722.23