Finding the Fourth Proportional to 72,077.86, 99,535.89 and 68,150.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,077.86 : 99,535.89 = 68,150.98 : x
2. Step 2: Convert to fraction form
   72,077.86/99,535.89 = 68,150.98/x
3. Step 3: Cross multiply
   72,077.86x = 99,535.89 × 68,150.98
4. Step 4: Simplify right side
   72,077.86x = 6,783,468,448.67
5. Step 5: Solve for x
   x = 6,783,468,448.67/72,077.86
6. Step 6: Final answer
   x = 94,113.07