Finding the Fourth Proportional to 734,978.72, 1,015,126.62 and 588,314.18

Step by Step Solution

1. Step 1: Write the proportion equation
   734,978.72 : 1,015,126.62 = 588,314.18 : x
2. Step 2: Convert to fraction form
   734,978.72/1,015,126.62 = 588,314.18/x
3. Step 3: Cross multiply
   734,978.72x = 1,015,126.62 × 588,314.18
4. Step 4: Simplify right side
   734,978.72x = 597,213,385,041.47
5. Step 5: Solve for x
   x = 597,213,385,041.47/734,978.72
6. Step 6: Final answer
   x = 812,558.74