Finding the Fourth Proportional to 1,078,298.02, 1,487,783.80 and 710,734.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,298.02 : 1,487,783.80 = 710,734.42 : x
2. Step 2: Convert to fraction form
   1,078,298.02/1,487,783.80 = 710,734.42/x
3. Step 3: Cross multiply
   1,078,298.02x = 1,487,783.80 × 710,734.42
4. Step 4: Simplify right side
   1,078,298.02x = 1,057,419,156,178.40
5. Step 5: Solve for x
   x = 1,057,419,156,178.40/1,078,298.02
6. Step 6: Final answer
   x = 980,637.20