Finding the Fourth Proportional to 99,028.41, 136,662.71 and 70,801.53

Step by Step Solution

1. Step 1: Write the proportion equation
   99,028.41 : 136,662.71 = 70,801.53 : x
2. Step 2: Convert to fraction form
   99,028.41/136,662.71 = 70,801.53/x
3. Step 3: Cross multiply
   99,028.41x = 136,662.71 × 70,801.53
4. Step 4: Simplify right side
   99,028.41x = 9,675,928,607.94
5. Step 5: Solve for x
   x = 9,675,928,607.94/99,028.41
6. Step 6: Final answer
   x = 97,708.61