Finding the Fourth Proportional to 209,847.31, 314,541.89 and 103,304.59

Step by Step Solution

1. Step 1: Write the proportion equation
   209,847.31 : 314,541.89 = 103,304.59 : x
2. Step 2: Convert to fraction form
   209,847.31/314,541.89 = 103,304.59/x
3. Step 3: Cross multiply
   209,847.31x = 314,541.89 × 103,304.59
4. Step 4: Simplify right side
   209,847.31x = 32,493,620,467.75
5. Step 5: Solve for x
   x = 32,493,620,467.75/209,847.31
6. Step 6: Final answer
   x = 154,844.11