Finding the Fourth Proportional to 2,427,127.30, 3,638,131.62 and 807,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427,127.30 : 3,638,131.62 = 807,463.50 : x
2. Step 2: Convert to fraction form
   2,427,127.30/3,638,131.62 = 807,463.50/x
3. Step 3: Cross multiply
   2,427,127.30x = 3,638,131.62 × 807,463.50
4. Step 4: Simplify right side
   2,427,127.30x = 2,937,658,491,345.87
5. Step 5: Solve for x
   x = 2,937,658,491,345.87/2,427,127.30
6. Step 6: Final answer
   x = 1,210,343.80