Finding the Fourth Proportional to 739,114.10, 1,109,108.55 and 487,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   739,114.10 : 1,109,108.55 = 487,123.10 : x
2. Step 2: Convert to fraction form
   739,114.10/1,109,108.55 = 487,123.10/x
3. Step 3: Cross multiply
   739,114.10x = 1,109,108.55 × 487,123.10
4. Step 4: Simplify right side
   739,114.10x = 540,272,395,112.51
5. Step 5: Solve for x
   x = 540,272,395,112.51/739,114.10
6. Step 6: Final answer
   x = 730,972.92