Finding the Fourth Proportional to 1,307,598.94, 1,803,757.98 and 1,215,124.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,598.94 : 1,803,757.98 = 1,215,124.03 : x
2. Step 2: Convert to fraction form
   1,307,598.94/1,803,757.98 = 1,215,124.03/x
3. Step 3: Cross multiply
   1,307,598.94x = 1,803,757.98 × 1,215,124.03
4. Step 4: Simplify right side
   1,307,598.94x = 2,191,789,665,802.26
5. Step 5: Solve for x
   x = 2,191,789,665,802.26/1,307,598.94
6. Step 6: Final answer
   x = 1,676,194.13