Finding the Fourth Proportional to 1,152,834.55, 1,729,314.87 and 478,983.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,834.55 : 1,729,314.87 = 478,983.99 : x
2. Step 2: Convert to fraction form
   1,152,834.55/1,729,314.87 = 478,983.99/x
3. Step 3: Cross multiply
   1,152,834.55x = 1,729,314.87 × 478,983.99
4. Step 4: Simplify right side
   1,152,834.55x = 828,314,127,752.36
5. Step 5: Solve for x
   x = 828,314,127,752.36/1,152,834.55
6. Step 6: Final answer
   x = 718,502.17