Finding the Fourth Proportional to 1,062,223.31, 1,594,128.42 and 612,343.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,223.31 : 1,594,128.42 = 612,343.73 : x
2. Step 2: Convert to fraction form
   1,062,223.31/1,594,128.42 = 612,343.73/x
3. Step 3: Cross multiply
   1,062,223.31x = 1,594,128.42 × 612,343.73
4. Step 4: Simplify right side
   1,062,223.31x = 976,154,534,831.16
5. Step 5: Solve for x
   x = 976,154,534,831.16/1,062,223.31
6. Step 6: Final answer
   x = 918,973.00