Finding the Fourth Proportional to 1,207,061.40, 1,665,889.56 and 723,892.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,061.40 : 1,665,889.56 = 723,892.35 : x
2. Step 2: Convert to fraction form
   1,207,061.40/1,665,889.56 = 723,892.35/x
3. Step 3: Cross multiply
   1,207,061.40x = 1,665,889.56 × 723,892.35
4. Step 4: Simplify right side
   1,207,061.40x = 1,205,924,708,428.87
5. Step 5: Solve for x
   x = 1,205,924,708,428.87/1,207,061.40
6. Step 6: Final answer
   x = 999,058.30