Finding the Fourth Proportional to 1,664,926.71, 2,297,598.78 and 900,980.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,926.71 : 2,297,598.78 = 900,980.29 : x
2. Step 2: Convert to fraction form
   1,664,926.71/2,297,598.78 = 900,980.29/x
3. Step 3: Cross multiply
   1,664,926.71x = 2,297,598.78 × 900,980.29
4. Step 4: Simplify right side
   1,664,926.71x = 2,070,091,215,108.05
5. Step 5: Solve for x
   x = 2,070,091,215,108.05/1,664,926.71
6. Step 6: Final answer
   x = 1,243,352.76