Finding the Fourth Proportional to 1,978,487.52, 2,730,064.56 and 1,173,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,487.52 : 2,730,064.56 = 1,173,516 : x
2. Step 2: Convert to fraction form
   1,978,487.52/2,730,064.56 = 1,173,516/x
3. Step 3: Cross multiply
   1,978,487.52x = 2,730,064.56 × 1,173,516
4. Step 4: Simplify right side
   1,978,487.52x = 3,203,774,442,192.96
5. Step 5: Solve for x
   x = 3,203,774,442,192.96/1,978,487.52
6. Step 6: Final answer
   x = 1,619,304.85