Finding the Fourth Proportional to 1,123,645.23, 1,550,636.91 and 614,347.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,645.23 : 1,550,636.91 = 614,347.61 : x
2. Step 2: Convert to fraction form
   1,123,645.23/1,550,636.91 = 614,347.61/x
3. Step 3: Cross multiply
   1,123,645.23x = 1,550,636.91 × 614,347.61
4. Step 4: Simplify right side
   1,123,645.23x = 952,630,071,883.10
5. Step 5: Solve for x
   x = 952,630,071,883.10/1,123,645.23
6. Step 6: Final answer
   x = 847,803.24