Finding the Fourth Proportional to 99,848.40, 137,626.72 and 70,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,848.40 : 137,626.72 = 70,786.72 : x
2. Step 2: Convert to fraction form
   99,848.40/137,626.72 = 70,786.72/x
3. Step 3: Cross multiply
   99,848.40x = 137,626.72 × 70,786.72
4. Step 4: Simplify right side
   99,848.40x = 9,742,144,093.16
5. Step 5: Solve for x
   x = 9,742,144,093.16/99,848.40
6. Step 6: Final answer
   x = 97,569.36