Finding the Fourth Proportional to 1,063,892.88, 1,594,460.51 and 432,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063,892.88 : 1,594,460.51 = 432,072.72 : x
2. Step 2: Convert to fraction form
   1,063,892.88/1,594,460.51 = 432,072.72/x
3. Step 3: Cross multiply
   1,063,892.88x = 1,594,460.51 × 432,072.72
4. Step 4: Simplify right side
   1,063,892.88x = 688,922,889,488.29
5. Step 5: Solve for x
   x = 688,922,889,488.29/1,063,892.88
6. Step 6: Final answer
   x = 647,549.11