Finding the Fourth Proportional to 99,501.32, 149,095.64 and 69,485.96

Step by Step Solution

1. Step 1: Write the proportion equation
   99,501.32 : 149,095.64 = 69,485.96 : x
2. Step 2: Convert to fraction form
   99,501.32/149,095.64 = 69,485.96/x
3. Step 3: Cross multiply
   99,501.32x = 149,095.64 × 69,485.96
4. Step 4: Simplify right side
   99,501.32x = 10,360,053,677.21
5. Step 5: Solve for x
   x = 10,360,053,677.21/99,501.32
6. Step 6: Final answer
   x = 104,119.76