Finding the Fourth Proportional to 1,181,601.99, 1,771,780.89 and 807,731.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181,601.99 : 1,771,780.89 = 807,731.91 : x
2. Step 2: Convert to fraction form
   1,181,601.99/1,771,780.89 = 807,731.91/x
3. Step 3: Cross multiply
   1,181,601.99x = 1,771,780.89 × 807,731.91
4. Step 4: Simplify right side
   1,181,601.99x = 1,431,123,962,381.20
5. Step 5: Solve for x
   x = 1,431,123,962,381.20/1,181,601.99
6. Step 6: Final answer
   x = 1,211,172.61