Finding the Fourth Proportional to 1,799,298.72, 2,698,549.56 and 519,627.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799,298.72 : 2,698,549.56 = 519,627.60 : x
2. Step 2: Convert to fraction form
   1,799,298.72/2,698,549.56 = 519,627.60/x
3. Step 3: Cross multiply
   1,799,298.72x = 2,698,549.56 × 519,627.60
4. Step 4: Simplify right side
   1,799,298.72x = 1,402,240,831,343.86
5. Step 5: Solve for x
   x = 1,402,240,831,343.86/1,799,298.72
6. Step 6: Final answer
   x = 779,326.31