Finding the Fourth Proportional to 99,648.51, 137,553.33 and 73,002.66

Step by Step Solution

1. Step 1: Write the proportion equation
   99,648.51 : 137,553.33 = 73,002.66 : x
2. Step 2: Convert to fraction form
   99,648.51/137,553.33 = 73,002.66/x
3. Step 3: Cross multiply
   99,648.51x = 137,553.33 × 73,002.66
4. Step 4: Simplify right side
   99,648.51x = 10,041,758,981.86
5. Step 5: Solve for x
   x = 10,041,758,981.86/99,648.51
6. Step 6: Final answer
   x = 100,771.79