Finding the Fourth Proportional to 1,184,682.72, 1,634,899.68 and 648,138.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,682.72 : 1,634,899.68 = 648,138.72 : x
2. Step 2: Convert to fraction form
   1,184,682.72/1,634,899.68 = 648,138.72/x
3. Step 3: Cross multiply
   1,184,682.72x = 1,634,899.68 × 648,138.72
4. Step 4: Simplify right side
   1,184,682.72x = 1,059,641,785,923.61
5. Step 5: Solve for x
   x = 1,059,641,785,923.61/1,184,682.72
6. Step 6: Final answer
   x = 894,451.96