Finding the Fourth Proportional to 1,437,499.52, 2,157,577.28 and 728,026.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437,499.52 : 2,157,577.28 = 728,026.24 : x
2. Step 2: Convert to fraction form
   1,437,499.52/2,157,577.28 = 728,026.24/x
3. Step 3: Cross multiply
   1,437,499.52x = 2,157,577.28 × 728,026.24
4. Step 4: Simplify right side
   1,437,499.52x = 1,570,772,874,667.83
5. Step 5: Solve for x
   x = 1,570,772,874,667.83/1,437,499.52
6. Step 6: Final answer
   x = 1,092,711.93