Finding the Fourth Proportional to 191,184.90, 286,815.63 and 107,064.69

Step by Step Solution

1. Step 1: Write the proportion equation
   191,184.90 : 286,815.63 = 107,064.69 : x
2. Step 2: Convert to fraction form
   191,184.90/286,815.63 = 107,064.69/x
3. Step 3: Cross multiply
   191,184.90x = 286,815.63 × 107,064.69
4. Step 4: Simplify right side
   191,184.90x = 30,707,826,513.10
5. Step 5: Solve for x
   x = 30,707,826,513.10/191,184.90
6. Step 6: Final answer
   x = 160,618.47