Finding the Fourth Proportional to 1,136,005.92, 1,567,697.76 and 626,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136,005.92 : 1,567,697.76 = 626,742.72 : x
2. Step 2: Convert to fraction form
   1,136,005.92/1,567,697.76 = 626,742.72/x
3. Step 3: Cross multiply
   1,136,005.92x = 1,567,697.76 × 626,742.72
4. Step 4: Simplify right side
   1,136,005.92x = 982,543,158,240.31
5. Step 5: Solve for x
   x = 982,543,158,240.31/1,136,005.92
6. Step 6: Final answer
   x = 864,910.24