Finding the Fourth Proportional to 1,184,680.72, 1,634,896.92 and 648,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,680.72 : 1,634,896.92 = 648,136.72 : x
2. Step 2: Convert to fraction form
   1,184,680.72/1,634,896.92 = 648,136.72/x
3. Step 3: Cross multiply
   1,184,680.72x = 1,634,896.92 × 648,136.72
4. Step 4: Simplify right side
   1,184,680.72x = 1,059,636,727,266.90
5. Step 5: Solve for x
   x = 1,059,636,727,266.90/1,184,680.72
6. Step 6: Final answer
   x = 894,449.20