Finding the Fourth Proportional to 1,380,046.40, 2,069,501.76 and 527,432.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,046.40 : 2,069,501.76 = 527,432.96 : x
2. Step 2: Convert to fraction form
   1,380,046.40/2,069,501.76 = 527,432.96/x
3. Step 3: Cross multiply
   1,380,046.40x = 2,069,501.76 × 527,432.96
4. Step 4: Simplify right side
   1,380,046.40x = 1,091,523,439,002.01
5. Step 5: Solve for x
   x = 1,091,523,439,002.01/1,380,046.40
6. Step 6: Final answer
   x = 790,932.42