Finding the Fourth Proportional to 1,136,152.55, 1,567,502.61 and 646,073.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136,152.55 : 1,567,502.61 = 646,073.39 : x
2. Step 2: Convert to fraction form
   1,136,152.55/1,567,502.61 = 646,073.39/x
3. Step 3: Cross multiply
   1,136,152.55x = 1,567,502.61 × 646,073.39
4. Step 4: Simplify right side
   1,136,152.55x = 1,012,721,725,076.55
5. Step 5: Solve for x
   x = 1,012,721,725,076.55/1,136,152.55
6. Step 6: Final answer
   x = 891,360.69