Finding the Fourth Proportional to 1,636,242.89, 2,258,117.73 and 901,197

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,242.89 : 2,258,117.73 = 901,197 : x
2. Step 2: Convert to fraction form
   1,636,242.89/2,258,117.73 = 901,197/x
3. Step 3: Cross multiply
   1,636,242.89x = 2,258,117.73 × 901,197
4. Step 4: Simplify right side
   1,636,242.89x = 2,035,008,919,416.83
5. Step 5: Solve for x
   x = 2,035,008,919,416.83/1,636,242.89
6. Step 6: Final answer
   x = 1,243,708.34