Finding the Fourth Proportional to 384,098.94, 530,091.72 and 212,047.74

Step by Step Solution

1. Step 1: Write the proportion equation
   384,098.94 : 530,091.72 = 212,047.74 : x
2. Step 2: Convert to fraction form
   384,098.94/530,091.72 = 212,047.74/x
3. Step 3: Cross multiply
   384,098.94x = 530,091.72 × 212,047.74
4. Step 4: Simplify right side
   384,098.94x = 112,404,751,218.71
5. Step 5: Solve for x
   x = 112,404,751,218.71/384,098.94
6. Step 6: Final answer
   x = 292,645.30