Finding the Fourth Proportional to 748,086.10, 1,032,000.15 and 543,820.30

Step by Step Solution

1. Step 1: Write the proportion equation
   748,086.10 : 1,032,000.15 = 543,820.30 : x
2. Step 2: Convert to fraction form
   748,086.10/1,032,000.15 = 543,820.30/x
3. Step 3: Cross multiply
   748,086.10x = 1,032,000.15 × 543,820.30
4. Step 4: Simplify right side
   748,086.10x = 561,222,631,173.05
5. Step 5: Solve for x
   x = 561,222,631,173.05/748,086.10
6. Step 6: Final answer
   x = 750,211.28