Finding the Fourth Proportional to 999,178.72, 1,378,877.52 and 546,460

Step by Step Solution

1. Step 1: Write the proportion equation
   999,178.72 : 1,378,877.52 = 546,460 : x
2. Step 2: Convert to fraction form
   999,178.72/1,378,877.52 = 546,460/x
3. Step 3: Cross multiply
   999,178.72x = 1,378,877.52 × 546,460
4. Step 4: Simplify right side
   999,178.72x = 753,501,409,579.20
5. Step 5: Solve for x
   x = 753,501,409,579.20/999,178.72
6. Step 6: Final answer
   x = 754,120.75