Finding the Fourth Proportional to 1,184,683.72, 1,634,901.06 and 648,139.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,683.72 : 1,634,901.06 = 648,139.72 : x
2. Step 2: Convert to fraction form
   1,184,683.72/1,634,901.06 = 648,139.72/x
3. Step 3: Cross multiply
   1,184,683.72x = 1,634,901.06 × 648,139.72
4. Step 4: Simplify right side
   1,184,683.72x = 1,059,644,315,256.10
5. Step 5: Solve for x
   x = 1,059,644,315,256.10/1,184,683.72
6. Step 6: Final answer
   x = 894,453.34