Finding the Fourth Proportional to 807,196.81, 1,210,796.76 and 757,872.45

Step by Step Solution

1. Step 1: Write the proportion equation
   807,196.81 : 1,210,796.76 = 757,872.45 : x
2. Step 2: Convert to fraction form
   807,196.81/1,210,796.76 = 757,872.45/x
3. Step 3: Cross multiply
   807,196.81x = 1,210,796.76 × 757,872.45
4. Step 4: Simplify right side
   807,196.81x = 917,629,506,953.26
5. Step 5: Solve for x
   x = 917,629,506,953.26/807,196.81
6. Step 6: Final answer
   x = 1,136,810.13