Finding the Fourth Proportional to 1,918,142.72, 2,648,097.60 and 1,154,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,142.72 : 2,648,097.60 = 1,154,384 : x
2. Step 2: Convert to fraction form
   1,918,142.72/2,648,097.60 = 1,154,384/x
3. Step 3: Cross multiply
   1,918,142.72x = 2,648,097.60 × 1,154,384
4. Step 4: Simplify right side
   1,918,142.72x = 3,056,921,499,878.40
5. Step 5: Solve for x
   x = 3,056,921,499,878.40/1,918,142.72
6. Step 6: Final answer
   x = 1,593,688.24