Finding the Fourth Proportional to 152,641.91, 210,618.67 and 92,172.03

Step by Step Solution

1. Step 1: Write the proportion equation
   152,641.91 : 210,618.67 = 92,172.03 : x
2. Step 2: Convert to fraction form
   152,641.91/210,618.67 = 92,172.03/x
3. Step 3: Cross multiply
   152,641.91x = 210,618.67 × 92,172.03
4. Step 4: Simplify right side
   152,641.91x = 19,413,150,369.80
5. Step 5: Solve for x
   x = 19,413,150,369.80/152,641.91
6. Step 6: Final answer
   x = 127,181.00