Finding the Fourth Proportional to 1,230,402.10, 1,843,875.15 and 978,114.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,402.10 : 1,843,875.15 = 978,114.10 : x
2. Step 2: Convert to fraction form
   1,230,402.10/1,843,875.15 = 978,114.10/x
3. Step 3: Cross multiply
   1,230,402.10x = 1,843,875.15 × 978,114.10
4. Step 4: Simplify right side
   1,230,402.10x = 1,803,520,282,854.61
5. Step 5: Solve for x
   x = 1,803,520,282,854.61/1,230,402.10
6. Step 6: Final answer
   x = 1,465,797.47