Finding the Fourth Proportional to 152,505, 210,406.50 and 92,052.69

Step by Step Solution

1. Step 1: Write the proportion equation
   152,505 : 210,406.50 = 92,052.69 : x
2. Step 2: Convert to fraction form
   152,505/210,406.50 = 92,052.69/x
3. Step 3: Cross multiply
   152,505x = 210,406.50 × 92,052.69
4. Step 4: Simplify right side
   152,505x = 19,368,484,318.49
5. Step 5: Solve for x
   x = 19,368,484,318.49/152,505
6. Step 6: Final answer
   x = 127,002.29