Finding the Fourth Proportional to 1,011,585.59, 1,395,971.82 and 552,690.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,585.59 : 1,395,971.82 = 552,690.32 : x
2. Step 2: Convert to fraction form
   1,011,585.59/1,395,971.82 = 552,690.32/x
3. Step 3: Cross multiply
   1,011,585.59x = 1,395,971.82 × 552,690.32
4. Step 4: Simplify right side
   1,011,585.59x = 771,540,111,906.78
5. Step 5: Solve for x
   x = 771,540,111,906.78/1,011,585.59
6. Step 6: Final answer
   x = 762,703.74