Finding the Fourth Proportional to 2,309,385.08, 3,186,822.20 and 1,276,832.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,385.08 : 3,186,822.20 = 1,276,832.72 : x
2. Step 2: Convert to fraction form
   2,309,385.08/3,186,822.20 = 1,276,832.72/x
3. Step 3: Cross multiply
   2,309,385.08x = 3,186,822.20 × 1,276,832.72
4. Step 4: Simplify right side
   2,309,385.08x = 4,069,038,857,782.38
5. Step 5: Solve for x
   x = 4,069,038,857,782.38/2,309,385.08
6. Step 6: Final answer
   x = 1,761,957.71