Finding the Fourth Proportional to 630,646.50, 946,131.72 and 181,402.55

Step by Step Solution

1. Step 1: Write the proportion equation
   630,646.50 : 946,131.72 = 181,402.55 : x
2. Step 2: Convert to fraction form
   630,646.50/946,131.72 = 181,402.55/x
3. Step 3: Cross multiply
   630,646.50x = 946,131.72 × 181,402.55
4. Step 4: Simplify right side
   630,646.50x = 171,630,706,643.89
5. Step 5: Solve for x
   x = 171,630,706,643.89/630,646.50
6. Step 6: Final answer
   x = 272,150.41