Finding the Fourth Proportional to 99,525.62, 137,520.16 and 79,547.34

Step by Step Solution

1. Step 1: Write the proportion equation
   99,525.62 : 137,520.16 = 79,547.34 : x
2. Step 2: Convert to fraction form
   99,525.62/137,520.16 = 79,547.34/x
3. Step 3: Cross multiply
   99,525.62x = 137,520.16 × 79,547.34
4. Step 4: Simplify right side
   99,525.62x = 10,939,362,924.37
5. Step 5: Solve for x
   x = 10,939,362,924.37/99,525.62
6. Step 6: Final answer
   x = 109,915.04