Finding the Fourth Proportional to 1,664,918.42, 2,297,587.38 and 900,971.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,918.42 : 2,297,587.38 = 900,971.98 : x
2. Step 2: Convert to fraction form
   1,664,918.42/2,297,587.38 = 900,971.98/x
3. Step 3: Cross multiply
   1,664,918.42x = 2,297,587.38 × 900,971.98
4. Step 4: Simplify right side
   1,664,918.42x = 2,070,061,850,981.61
5. Step 5: Solve for x
   x = 2,070,061,850,981.61/1,664,918.42
6. Step 6: Final answer
   x = 1,243,341.31