Finding the Fourth Proportional to 2,620,692.27, 3,931,984.31 and 915,086.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,692.27 : 3,931,984.31 = 915,086.93 : x
2. Step 2: Convert to fraction form
   2,620,692.27/3,931,984.31 = 915,086.93/x
3. Step 3: Cross multiply
   2,620,692.27x = 3,931,984.31 × 915,086.93
4. Step 4: Simplify right side
   2,620,692.27x = 3,598,107,426,810.71
5. Step 5: Solve for x
   x = 3,598,107,426,810.71/2,620,692.27
6. Step 6: Final answer
   x = 1,372,960.67