Finding the Fourth Proportional to 189,436.64, 284,192.42 and 69,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   189,436.64 : 284,192.42 = 69,494.72 : x
2. Step 2: Convert to fraction form
   189,436.64/284,192.42 = 69,494.72/x
3. Step 3: Cross multiply
   189,436.64x = 284,192.42 × 69,494.72
4. Step 4: Simplify right side
   189,436.64x = 19,749,870,885.59
5. Step 5: Solve for x
   x = 19,749,870,885.59/189,436.64
6. Step 6: Final answer
   x = 104,255.82