Finding the Fourth Proportional to 1,109,845.19, 1,664,131.91 and 341,142.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,845.19 : 1,664,131.91 = 341,142.71 : x
2. Step 2: Convert to fraction form
   1,109,845.19/1,664,131.91 = 341,142.71/x
3. Step 3: Cross multiply
   1,109,845.19x = 1,664,131.91 × 341,142.71
4. Step 4: Simplify right side
   1,109,845.19x = 567,706,459,548.50
5. Step 5: Solve for x
   x = 567,706,459,548.50/1,109,845.19
6. Step 6: Final answer
   x = 511,518.60