Finding the Fourth Proportional to 1,377,667.79, 1,900,404.95 and 826,236.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,667.79 : 1,900,404.95 = 826,236.80 : x
2. Step 2: Convert to fraction form
   1,377,667.79/1,900,404.95 = 826,236.80/x
3. Step 3: Cross multiply
   1,377,667.79x = 1,900,404.95 × 826,236.80
4. Step 4: Simplify right side
   1,377,667.79x = 1,570,184,490,958.95
5. Step 5: Solve for x
   x = 1,570,184,490,958.95/1,377,667.79
6. Step 6: Final answer
   x = 1,139,741.02