Finding the Fourth Proportional to 1,432,061.73, 1,976,242.79 and 820,412.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432,061.73 : 1,976,242.79 = 820,412.51 : x
2. Step 2: Convert to fraction form
   1,432,061.73/1,976,242.79 = 820,412.51/x
3. Step 3: Cross multiply
   1,432,061.73x = 1,976,242.79 × 820,412.51
4. Step 4: Simplify right side
   1,432,061.73x = 1,621,334,302,679.21
5. Step 5: Solve for x
   x = 1,621,334,302,679.21/1,432,061.73
6. Step 6: Final answer
   x = 1,132,167.88