Finding the Fourth Proportional to 99,106.82, 136,767.50 and 53,784.81

Step by Step Solution

1. Step 1: Write the proportion equation
   99,106.82 : 136,767.50 = 53,784.81 : x
2. Step 2: Convert to fraction form
   99,106.82/136,767.50 = 53,784.81/x
3. Step 3: Cross multiply
   99,106.82x = 136,767.50 × 53,784.81
4. Step 4: Simplify right side
   99,106.82x = 7,356,014,001.68
5. Step 5: Solve for x
   x = 7,356,014,001.68/99,106.82
6. Step 6: Final answer
   x = 74,223.09