Finding the Fourth Proportional to 151,355.58, 208,652.52 and 105,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,355.58 : 208,652.52 = 105,892.72 : x
2. Step 2: Convert to fraction form
   151,355.58/208,652.52 = 105,892.72/x
3. Step 3: Cross multiply
   151,355.58x = 208,652.52 × 105,892.72
4. Step 4: Simplify right side
   151,355.58x = 22,094,782,877.65
5. Step 5: Solve for x
   x = 22,094,782,877.65/151,355.58
6. Step 6: Final answer
   x = 145,979.31