Finding the Fourth Proportional to 1,150,636.32, 1,725,953.00 and 309,188.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,636.32 : 1,725,953.00 = 309,188.07 : x
2. Step 2: Convert to fraction form
   1,150,636.32/1,725,953.00 = 309,188.07/x
3. Step 3: Cross multiply
   1,150,636.32x = 1,725,953.00 × 309,188.07
4. Step 4: Simplify right side
   1,150,636.32x = 533,644,075,434.77
5. Step 5: Solve for x
   x = 533,644,075,434.77/1,150,636.32
6. Step 6: Final answer
   x = 463,781.71