Finding the Fourth Proportional to 1,056,146.25, 1,584,416.58 and 479,810.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,146.25 : 1,584,416.58 = 479,810.00 : x
2. Step 2: Convert to fraction form
   1,056,146.25/1,584,416.58 = 479,810.00/x
3. Step 3: Cross multiply
   1,056,146.25x = 1,584,416.58 × 479,810.00
4. Step 4: Simplify right side
   1,056,146.25x = 760,218,911,327.72
5. Step 5: Solve for x
   x = 760,218,911,327.72/1,056,146.25
6. Step 6: Final answer
   x = 719,804.58