Finding the Fourth Proportional to 1,145,196.10, 1,580,515.78 and 692,736.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,196.10 : 1,580,515.78 = 692,736.58 : x
2. Step 2: Convert to fraction form
   1,145,196.10/1,580,515.78 = 692,736.58/x
3. Step 3: Cross multiply
   1,145,196.10x = 1,580,515.78 × 692,736.58
4. Step 4: Simplify right side
   1,145,196.10x = 1,094,881,096,073.23
5. Step 5: Solve for x
   x = 1,094,881,096,073.23/1,145,196.10
6. Step 6: Final answer
   x = 956,064.29