Finding the Fourth Proportional to 191,068.35, 286,605.23 and 72,746.16

Step by Step Solution

1. Step 1: Write the proportion equation
   191,068.35 : 286,605.23 = 72,746.16 : x
2. Step 2: Convert to fraction form
   191,068.35/286,605.23 = 72,746.16/x
3. Step 3: Cross multiply
   191,068.35x = 286,605.23 × 72,746.16
4. Step 4: Simplify right side
   191,068.35x = 20,849,429,554.69
5. Step 5: Solve for x
   x = 20,849,429,554.69/191,068.35
6. Step 6: Final answer
   x = 109,120.27