Finding the Fourth Proportional to 487,436.42, 730,886.72 and 150,385.10

Step by Step Solution

1. Step 1: Write the proportion equation
   487,436.42 : 730,886.72 = 150,385.10 : x
2. Step 2: Convert to fraction form
   487,436.42/730,886.72 = 150,385.10/x
3. Step 3: Cross multiply
   487,436.42x = 730,886.72 × 150,385.10
4. Step 4: Simplify right side
   487,436.42x = 109,914,468,069.51
5. Step 5: Solve for x
   x = 109,914,468,069.51/487,436.42
6. Step 6: Final answer
   x = 225,494.99