Finding the Fourth Proportional to 2,060,613.12, 2,845,026.72 and 1,287,420.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060,613.12 : 2,845,026.72 = 1,287,420.96 : x
2. Step 2: Convert to fraction form
   2,060,613.12/2,845,026.72 = 1,287,420.96/x
3. Step 3: Cross multiply
   2,060,613.12x = 2,845,026.72 × 1,287,420.96
4. Step 4: Simplify right side
   2,060,613.12x = 3,662,747,031,088.05
5. Step 5: Solve for x
   x = 3,662,747,031,088.05/2,060,613.12
6. Step 6: Final answer
   x = 1,777,503.50