Finding the Fourth Proportional to 1,150,688.67, 1,588,137.51 and 692,266.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,688.67 : 1,588,137.51 = 692,266.59 : x
2. Step 2: Convert to fraction form
   1,150,688.67/1,588,137.51 = 692,266.59/x
3. Step 3: Cross multiply
   1,150,688.67x = 1,588,137.51 × 692,266.59
4. Step 4: Simplify right side
   1,150,688.67x = 1,099,414,538,498.79
5. Step 5: Solve for x
   x = 1,099,414,538,498.79/1,150,688.67
6. Step 6: Final answer
   x = 955,440.48