Finding the Fourth Proportional to 99,384.93, 137,196 and 65,411.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,384.93 : 137,196 = 65,411.25 : x
2. Step 2: Convert to fraction form
   99,384.93/137,196 = 65,411.25/x
3. Step 3: Cross multiply
   99,384.93x = 137,196 × 65,411.25
4. Step 4: Simplify right side
   99,384.93x = 8,974,161,855
5. Step 5: Solve for x
   x = 8,974,161,855/99,384.93
6. Step 6: Final answer
   x = 90,297.01