Finding the Fourth Proportional to 1,550,679.31, 2,139,623.67 and 905,974.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,679.31 : 2,139,623.67 = 905,974.93 : x
2. Step 2: Convert to fraction form
   1,550,679.31/2,139,623.67 = 905,974.93/x
3. Step 3: Cross multiply
   1,550,679.31x = 2,139,623.67 × 905,974.93
4. Step 4: Simplify right side
   1,550,679.31x = 1,938,445,404,654.59
5. Step 5: Solve for x
   x = 1,938,445,404,654.59/1,550,679.31
6. Step 6: Final answer
   x = 1,250,062.08