Finding the Fourth Proportional to 369,429.56, 553,144.86 and 191,562.68

Step by Step Solution

1. Step 1: Write the proportion equation
   369,429.56 : 553,144.86 = 191,562.68 : x
2. Step 2: Convert to fraction form
   369,429.56/553,144.86 = 191,562.68/x
3. Step 3: Cross multiply
   369,429.56x = 553,144.86 × 191,562.68
4. Step 4: Simplify right side
   369,429.56x = 105,961,911,809.83
5. Step 5: Solve for x
   x = 105,961,911,809.83/369,429.56
6. Step 6: Final answer
   x = 286,825.75