Finding the Fourth Proportional to 191,068.86, 286,605.98 and 72,746.66

Step by Step Solution

1. Step 1: Write the proportion equation
   191,068.86 : 286,605.98 = 72,746.66 : x
2. Step 2: Convert to fraction form
   191,068.86/286,605.98 = 72,746.66/x
3. Step 3: Cross multiply
   191,068.86x = 286,605.98 × 72,746.66
4. Step 4: Simplify right side
   191,068.86x = 20,849,627,781.03
5. Step 5: Solve for x
   x = 20,849,627,781.03/191,068.86
6. Step 6: Final answer
   x = 109,121.01